Discuss the Ethiopia national park and the endemic life species in each park
Answers
Ethiopia has 16 national parks, each with its own unique endemic life species, such as the Ethiopian wolf in the Bale Mountains National Park and the gelada baboon in the Simien Mountains National Park.
Ethiopia's national parks are home to a diverse range of flora and fauna, including many endemic species that cannot be found anywhere else in the world. For example, the Bale Mountains National Park is the only place where the critically endangered Ethiopian wolf can be found, while the Simien Mountains National Park is home to the endemic gelada baboon.
Other notable species found in Ethiopian national parks include the mountain nyala, the Ethiopian lion, and the Walia ibex. These parks also offer stunning landscapes, from the rugged peaks of the Simien Mountains to the lush forests of the Omo National Park. However, many of these parks face threats from habitat loss, poaching, and human encroachment, making conservation efforts crucial to preserving these unique ecosystems.
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Related Questions
what happens to the free energy that is released as electrons are passed from photosystem-ii through a series of electron carriers?
Answers
The free energy that is released as electrons are passed from photosystem-ii through a series of electron carriers is used to establish and maintain a proton gradient.
When there are enough protons, the proton gradient controls the forming of ATP. So a gradient allows cells to save protons as "loose change," which makes all the difference — the distinction among growth and no growth, life and no life.
A proton gradient is formed between the intermembranous storage and the inner mitochondrial membrane by the Krebs cycle. The energy required to move the proton through the ATP synthase is provided by this proton gradient. Without a proton gradient, protons will not circulate through ATP synthase, and thus no ATP will be produced.
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How can we see radiation that impacts the Earth's surface?
a. The trade winds that bring in cold and warm fronts
b. The Sun's rays warming the surface of the Earth
c. The heater on during the winter
d. The ocean's waters warming the air
Answers
Answer:
its probably b
Explanation:
i think its B because none other options affect the planet on a larger scale
Explanation:
A. The trade winds that bring in cold and warm foods
What has happened to the amount of genetic diversity in this butterfly population? Explain your answer
Answers
The butterfly population's genetic diversity may have decreased. Some larvae had an adaptation to stop movement in response to shadows, but only a few had it.
What is the butterfly?Natural selection favors advantageous traits, increasing their frequency over time and decreasing that of alternative responses. Selective pressure reduces genetic diversity and increases prevalence of advantageous traits, resulting in a more homogeneous population with limited response variation.
Natural selection decreases genetic diversity in butterfly populations as they adapt to their ecological conditions. the method of normal determination leads to a reduction within the sum of hereditary differences in this butterfly population.
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See text below
The larvae of butterflies eat the leaves of flowering plants. Many of these larvae are eaten by birds before they can become adult butterflies. In one butterfly population, most larvae eat leaves continuously and ignore other organisms around the leaves. But a few newly hatched larvae stop moving when a shadow suddenly falls on the leaves. In a few years, most of the larvae in this population stop moving when they detect a sudden shadow.
What has happened to the amount of genetic diversity in this butterfly population? Explain your answer
What age do humans reach skeletal maturity?
approximately age 40
approximately age 20
approximately age 15
approximately age 30
Answers
Answer:
only depends on the human some can be mature for only being 15 and others it's 40 but it only depends on the mind of said person
How can you tell by looking at the magnetic field lines where
the field is the strongest?
Answers
Answer:
The density of field lines indicates the strength of the field.
Explanation:
What adaptation allows organisms to survive in the supralittoral zone of a rocky beach
Answers
Answer:
The ability to both attach to solid materials and endure long periods of time without water
Ashad is rewriting the expression 28 a 36 a b as a product. Which statements about the expression are accurate and relevant to his rewriting the expression
Answers
By combining the coefficients and the variables, the expression 28a * 36a * b can be rewritten as a product.
To rewrite the expression 28a * 36a * b as a product, we can combine the like terms. Here are the relevant and accurate statements related to Ashad's rewriting of the expression:
The expression contains the variables 'a' and 'b'. These variables represent unknown quantities and can be multiplied together.The expression includes coefficients (numbers) multiplied by the variables. In this case, the coefficients are 28 and 36.The variable 'a' appears twice in the expression and is raised to the power of 1 (implied exponent). Since the variables have the same base and exponent, they can be combined by multiplying the coefficients.The variable 'b' appears once in the expression and is multiplied with the other terms.By combining the coefficients and the variables, the expression 28a * 36a * b can be rewritten as a product.
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Describe two types of living things that biologists could study.
Answers
Answer:
Animals or Plants
Explanation:
Describe two types of living things that biologists could study. Think about types of living things that are not in the ocean — what categories of living things are on land?(5 points)Two types could be animals and plants. Different categories that I know of are like reptiles, birds, and amphibians. 4.
Consider how lettuce or spinach placed in water becomes firm and crisp. Use what you have learned about cell membrane transport to explain this observation. BE SURE TO INCLUDE HOMEOSTASIS IN YOUR EXPLANATION.
Answers
Lettuce or spinach placed in water becomes firm and crisp due to the osmotic movement of water into their cells.
What is osmosis?Osmosis is the movement of water molecules in living cells through a permeable membrane from the region of high to the region of low water potentials.
Lettuce or spinach have cells whose cell sap has lower water potential when compared to that of ordinary water. Thus, if either of them is placed in water, water will move from their outside environment into the cells.
Thus, the cells of the lettuce or spinach will become turgid and give the lettuce/spinach an overall firm and crisp look.
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What is meant by the neurochemistry of a drug? Identify one
neurotransmitter and describe its physiological function in the
human brain. Provide an example to support your description
Answers
The neurochemistry of a drug refers to the interactions and effects of the drug on the chemical messengers (neurotransmitters) in the brain. It involves studying how drugs influence the release, reuptake, and receptor interactions of neurotransmitters, thereby altering brain function.
One example of a neurotransmitter is serotonin. Serotonin is a monoamine neurotransmitter that plays a crucial role in regulating mood, sleep, appetite, and various cognitive functions. It is involved in modulating emotions, promoting feelings of well-being, and regulating anxiety and stress.
In the human brain, serotonin is produced in the raphe nuclei and is involved in transmitting signals between neurons. It binds to specific receptors on the receiving neurons, transmitting the signal and influencing the activity of the target cell.
An example that supports the physiological function of serotonin is its involvement in the regulation of mood. Low levels of serotonin have been associated with depression, and drugs that increase serotonin levels, such as selective serotonin reuptake inhibitors (SSRIs), are commonly prescribed as antidepressant medications. SSRIs work by blocking the reuptake of serotonin, increasing its availability in the brain and helping to alleviate symptoms of depression.
In summary, serotonin is a neurotransmitter involved in regulating various brain functions, including mood. Its physiological function is to transmit signals between neurons, and alterations in serotonin levels or activity can have significant effects on mental health and well-being.
The neurochemistry of a drug refers to how it affects the brain's chemical makeup and influences nerve cells communication. An example of a neurotransmitter, which is affected by drugs, is dopamine. It's responsible for pleasure feelings and is affected by many drugs like cocaine
Explanation:The neurochemistry of a drug refers to the effects of drugs on the brain's chemical makeup and how they influence the function and communication of nerve cells, especially with regards to neurotransmitters. Neurotransmitters are chemicals that enable communication between nerve cells (neurons).
One example of a neurotransmitter is dopamine. Dopamine is responsible for feeling pleasure and plays a key role in the brain's reward system. For instance, when you do something pleasurable like eating a favorite food, your brain releases dopamine, making you feel happy. Some drugs, like cocaine, dramatically increase dopamine levels, leading to intense feelings of euphoria. However, frequent use changes the brain's neurochemistry, which can reduce the brain's natural production of dopamine and contributes to the addictive nature of these substances.
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The variable in a scientific experiment that is manipulated by
the researcher to investigate its effect on another variable
called the dependent variable is known as the
Answers
i found this. it's says the independent variable
what parts of the cell cycle are included in metaphase?
Answers
Answer:
Metaphase
Explanation:
Metaphase is a stage in the cell cycle where all the genetic material is condensing into chromosomes. These chromosomes then become visible. During this stage, the nucleus disappears and the chromosomes appear in the cytoplasm of the cell.
Consider the following scenario: A drought hits the habitat of a semi-aquatic bird population. All ponds dry up, and fish populations decline. There are two groups of birds in the population that differ in leg length and diet. Long-legged birds eat fish, while short-legged birds eat insects. The drought has little effect on insect populations. What is the main selective pressure in this scenario?
leg length
insect population
drought
fish population
Answers
fish population
cuz i know :0
The main selective pressure in the given scenario will be on the fish population. Thus, the correct option will be D.
What is Selective pressure?The selective pressure can be defined as an evolutionary force that causes a particular phenotype to be more favorable in certain environmental conditions than other phenotypes. Selective pressures are the considered forces which can drive the evolution through the process of natural selection. Some phenotypes are more favorable than other phenotypes, depending on the external conditions.
Selective pressures can be detrimental or beneficial to certain phenotypes present within a population. The four main types of selection pressures are the biological factors, such as the predation and disease, the availability of resources, the climatic conditions, and the competition between different species.
Therefore, the correct option will be D.
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Why is there a conflict between oil palm farming and orangutans?
Answers
Answer:
The Oil can be unsustainable to animals
Explanation:
Basically, it affects the orangutans because where that oil grows is where they live and they are currently facing extinction.
what is a true statement concerning animal taxonomy?
Answers
Animal taxonomy is the scientific classification of animals based on their physical and genetic characteristics. One true statement about animal taxonomy is that it is constantly changing as new species are discovered and genetic information becomes available.
Taxonomists may reclassify organisms based on their evolutionary relationships, morphology, and other features. Traditionally, animal taxonomy has been based on physical characteristics such as body shape, internal anatomy, and behavior.
However, with the advent of genetic sequencing, molecular data is increasingly being used to supplement or even replace traditional classification methods.
For example, DNA sequencing can reveal genetic differences and similarities between species that are not readily apparent from physical characteristics alone. As a result, some taxonomic classifications have been revised based on molecular data, leading to a better understanding of the evolutionary relationships between different animal groups. Nonetheless, taxonomic classification is not always straightforward and may be a subject of debate among experts.
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Ya'll know im finna be here for a while lol- anywho help me pls and ty ;w;
Answers
Answer:
X-rays because the higher the frequency the shorter the wavelength
Explanation:
during winter, what factors can reduce the rate of photosynthesis in evergreens such as pine trees? choose all that apply
Answers
During winter, lack of water, cold temperatures and reduced sunlight reduce the rate of photosynthesis in evergreen trees such as pine trees.
Pine trees are evergreen trees in that they they are green all year as they do not lose their leaves like other trees. This is because is because they have reduced needle-like leaves which they keep all-year round.
Thus, evergreens are able to photosynthesize even in winter when other trees lose their leaves. However, the rate of photosynthesis is greatly reduced because of winter conditions.
These conditions of factors that reduce the rate of photosynthesis include:
Lack of water: during winter, water is scarce because most water freezes to form ice. As water is needed for photosynthesis, the rate of photosynthesis is reduced.Cold temperature: in very cold conditions, water in between the cells of winter evergreen trees can form ice leading to dehydration. They plants compensate for this by closing their stomata to avoid water loss through transpiration. Closing of the stomata prevents the diffusion into the cell of carbon dioxide, thus limiting photosynthesis.Reduced sunlight: sunlight which is needed for photosynthesis is reduced during winter, thus, reducing the rate of photosynthesis.Thus, during winter, lack of water, cold temperatures and reduced sunlight reduce the rate of photosynthesis in evergreen trees such as pine trees.
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Answer:
A) less sunlight B) colder temperatures
Explanation:
Which of the following Identifies a water link between agriculture and urban need?
the loss of land used to construct new buildings
the loss of income from Import and export of food products
the loss of market value for agricultural products that are over produced
the loss of marshes and bogs that provide sources of freshwater used for drinking
Answers
Answer:
the loss of mashes and bogs that provide sources of freshwater used for drinking.
As the question says about the identification of a water link between agriculture and urban needs.
A source of freshwater is needed to obtain water ; thus loss of mashes and bogs that provide sources of freshwater used for drinking is the answer.
Answer:the loss of mashes and bogs that provide sources of freshwater used for drinking.
Explanation:
What is the probability of producing a tall pea plant from a genetic cross between two heterozygous tall pea plants (tall is dominant)?
25%
50%
75%
100%
Answers
Answer:
100%
Explanation:
There are 4 individual outcomes. (s = short)
TT
TT
Ts
Ts
So its 100% (The dominant is always expressed unless the genotype is ss)
Predict what happens to cell membrane composition in the brain of a wolf living in yellowstone national park with hot summers and cool winters.
Answers
Seasonal changes will not affect the fatty acid content of the cell membranes.
Cell Membrane- All cells have a cell membrane, also known as a plasma membrane, which divides the inside of the cell from the external environment. A semipermeable lipid bilayer makes up the cell membrane. The movement of materials into and out of the cell is controlled by the cell membrane.
Fatty Acid Content in Cell Membrane- When operating alone or as a component of other molecules, fatty acids (FA) have a variety of roles in cells, including those of the structural "building blocks" of cell membranes as well as those of energy and signaling molecules. Either external sources or de novo FA synthesis provide the cells' FA.
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the sleepy russian town of belushya guba declared a state of emergency when it was overrun by polar bears. this species had never ventured into the town until climate change melted the sea ice, which comprised much of the bears’ primary hunting and migration routes. the plight of the bears and the town exemplifies the changes characteristic of
Answers
The sleepy russian town of belushya guba declared a state of emergency when it was overrun by polar bears. This species had never ventured into the town until climate change melted the sea ice, which comprised much of the bears’ primary hunting and migration routes. the plight of the bears and the town exemplifies the changes characteristic of the Anthropocene.
What is migration?
Migration is regarded as any type of human movement, regardless of its motivation. Migration within a single country as well as migration across borders is included in this. The definition of "migrant" is more elusive. According to the European Committee on Migration, the term "migrants" can refer to emigrants, returning migrants, immigrants, refugees, displaced persons, people with immigrant backgrounds, and/or members of ethnic minority populations that have been formed through immigration, depending on the context.
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Task 2:
The sizes of boiled eggs were measured before and after they were placed in two
different solutions. Egg A was 125 mm in diameter before being placed in pure
water. It swelled up and increased in size to 180 mm. Egg B shrank from 130 mm
to 100 mm after being placed in a salty solution.
(12 marks)
You must put this information in a table with detailed headings.
Answers
Data tables are used to summarize data recorded during an experiment.
The information provided here involves the type of egg, difference in size before and after being placed in the solution, the type of solution, and how the egg size changed. The table is attached.
What is a data table?
Data tables are representations of data collected during an experiment.
Tables are organized in rows and columns, which resume significant information, making them easy to understand and interpret.
Together graphs and charts are used to express the results of different experiments, to make them more comprehensive to the lector.
In the exposed example, data includes
Egg (A and B)Measure before and after being placed in the solution Solution ( pure water and salty solution)Change (swell - shrank)You will find the table in the attached files
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A pea plant is heterozygous for both seed shape and seed color. S is the allele for the dominant, spherical shape characteristic; s is the allele for the recessive, dented shape characteristic. Y is the allele for the dominant, yellow color characteristic; y is the allele for the recessive, green color characteristic. Fill in the Punnett square and tell how many offspring will be in the various genotypes and phenotypes. (35 points)
Answers
Alleles randomly split during gamete formation, resulting in various combinations in daughter cells. In this case, the gametes are YS, Ys, yS, and ys.
How do gametes form?Meiosis is the process through which gametes are created. Meiosis is a cell division process that results in the formation of gametes from germ cells. A diploid cell (2n) creates four haploid daughter cells via Meiosis (n). Alleles separate separately during gamete formation, according to the segregation principle. During anaphase I, homologous chromosomes split and travel to opposing poles of the cell, each carrying one of the alleles. This chance occurrence results in various chromosomal configurations in the daughter cells.
Let us now examine the issue.
SsYy plant heter0zyg0us for both seed shape and seed color
The dominant allele S is responsible for spherical form.
The recessive allele s is responsible for the dented form.
Y is the dominant allele and codes for yellow, whereas Ys is the recessive allele and codes for green.
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PLEASE HELP DUE RIGHT NOW
Answers
Answer:
Its either A or C
Explanation:
What is the impact of the depletion of fishing stocks?
Answers
Answer:
Decades of destructive fishing has resulted in the precipitous decline of key fish stocks such as bluefin tuna and Grand Banks cod, as well as collateral impacts to other marine life. Hundreds of thousands of marine mammals, seabirds, and sea turtles are captured each year, alongside tens of millions of sharks.
Chemical reactions move at a different speeds when a chemical reaction is moving at a slow speed what can be done to speed up the reaction
Answers
Hope that helps! :)
Radiopaque hook like projection of bone located distal maxillary tuberosity is called _____.
Answers
The radiopaque hook-like projection of bone located distal to the maxillary tuberosity is called hamulus.
The hamulus is a small, bony structure that is part of the sphenoid bone, specifically the medial pterygoid plate, it plays a vital role in the proper functioning of the soft palate, as the tensor veli palatini muscle wraps around the hamulus and assists in the elevation and tension of the soft palate. This helps prevent food and fluids from entering the nasal cavity during swallowing and enables proper speech production.
The hamulus also contributes to the formation of the pterygomaxillary and pterygopalatine fissures, which facilitate the passage of nerves and blood vessels to the palate and other oral structures. Radiographically, the hamulus appears as a radiopaque structure, meaning that it is easily visible on an X-ray due to its density and mineral content. So therefore hamulus is the radiopaque hook-like projection of bone located distal to the maxillary tuberosity.
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Why are Daughter cells in Mitosis considered to be produced by asexual production
Answers
due to the fact that they are created by a single cell from the a single parent but also that their genetic composition is the same as the parent. In asexual reproduction, only one gene is repeatedly transmitted, producing identical (clone) offspring, also known as daughter cells.
The process of creating a new creature by the duplication of genetic material from the a parent organism is known as asexual reproduction. The cell splits its DNA or nucleus first in mitosis, then divides its cytoplasm, resulting in the formation of two daughter cells that are identical to one another. Daughter cells that really are genetically similar to their parent cells are created during mitosis.
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What are some agents of mutation that can affect the genes of humans? (Choose all that apply)
failure of repair by ligase
codon errors
poor nutrition
ionizing radiation
Answers
Answer: The correct answers are "ionizing radiation", "codon errors" and "failure of repair by ligase"
Explanation:
I took the test
Some agents of mutation that can affect the genes of humans are ionizing radiation and codon errors as well as failure of repair by ligase.
What is genetics?Genetics has been known as the study of the heredity as well as the variation of the inherited the characters and the genetic properties and the organism's feature and the characteristics. It has been also known as the branch of biology that has to deal with the study of genetic variation, genes, and the heredity in the organisms.
The main function of the DNA has to carry the information from one generation to the another generation this has been the reason due to which DNA has been also known information molecule.
The main function of mRNA has to work as the immedieter between the protein and DNA which has been utilised by ribosome for the process of direct synthesis of protein, and the function of tRNA has to carry the accurate amino acid to the proteins synthesis site which takes place in ribosome.
Therefore, Some agents of mutation that can affect the genes of humans are ionizing radiation and codon errors as well as failure of repair by ligase.
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What factor contributes to maximizing the muscle tension that is generated by the skeletal muscle fibers? Check all that apply.
The skeletal muscle is composed of a large percentage of fast glycolytic fibers.The skeletal muscle is composed of a large percentage of fast glycolytic fibers.
The skeletal muscle contains large motor units.The skeletal muscle contains large motor units.
A greater stimulus frequency to the skeletal muscle from the motor neurons. A greater stimulus frequency to the skeletal muscle from the motor neurons.
The skeletal muscle is stimulated when it is at stretched length.The skeletal muscle is stimulated when it is at stretched length.
The skeletal muscle is stimulated by actions potentials with a greater amplitude.
Answers
The factor that contributes to maximizing the muscle tension that is generated by the skeletal muscle fibers is as follows: 1. The skeletal muscle contains large motor units.2. A greater stimulus frequency to the skeletal muscle from the motor neurons.3. The skeletal muscle is stimulated by actions potentials with a greater amplitude.
Explanation:
Maximizing the muscle tension that is generated by the skeletal muscle fibers is one of the important characteristics of muscle fibers.
Muscle fibers contain actin and myosin, which are the two main contractile proteins that are responsible for generating the force that is required for movement.
The number of muscle fibers in the motor unit determines the force that can be generated by the muscle.
The factors that contribute to maximizing the muscle tension that is generated by the skeletal muscle fibers are the following:
1. Large motor units: The skeletal muscle contains large motor units.
The number of muscle fibers in the motor unit determines the force that can be generated by the muscle.
Large motor units can generate more force than small motor units.
2. Greater stimulus frequency to the skeletal muscle from the motor neurons:
A greater stimulus frequency to the skeletal muscle from the motor neurons can increase the force that is generated by the muscle.
A high stimulus frequency leads to a greater release of calcium ions, which leads to more cross-bridge cycling and more force production.
3. Greater action potential amplitude:
The skeletal muscle is stimulated by action potentials with a greater amplitude.
The amplitude of the action potential determines the number of calcium ions that are released from the sarcoplasmic reticulum.
A greater release of calcium ions leads to more force production.
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