8. How does upwelling affect the ocean ecosystem?
a. It increases the albedo of the ocean surface.
b. It brings nutrients from the ocean floor into the
surface currents.
c. It causes energy transfer that results in El
Niño/La Niña events.
d. It brings infrared radiation from the ocean floor
up to the ocean surface.
e. It brings ultraviolet radiation from the ocean
floor up to the ocean surface.
*THIS IS CLIMATE CHANGE*
Answers
Related Questions
What is the most common and powerful agent of erosion?
Answers
Answer:
Liquid Water is the primary erosive agent on Earth. Rain, rivers, floods, lakes, and the ocean transport soil and sand and gradually wash away the silt.
Explanation:
What element has the same atomic weight as iridium?
Answers
Answer:
metal
Explanation:
werftghkjl
Genetics question - I am trying to figure out the mode of inheritance in this pedigree.
Answers
The mode of inheritance in this pedigree is Y-linked.Therefore, the correct option is 3.
What is Y-linked inheritance?The genes that are found on the Y chromosome can be inherited through a process known as Y-linked inheritance. The X and Y chromosomes are the sex chromosomes of male mammals like humans.
The Y chromosome has fewer genes than the X chromosome because it is smaller. In addition, they are also necessary for sperm formation, healthy hormone output, and other features unique to males.
The pedigree given here is the case of Y-linked inheritance because each male generation is of showing this inheritance and the same is being followed in the family 5.Hence, the correct option is 3.
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The mode of inheritance in this pedigree is Y-linked.Therefore, the correct option is 3.
What is Y-Linked inheritance?Y-linked inheritance is a type of genetic inheritance that occurs exclusively through genes located on the Y chromosome. The Y chromosome is one of the two sex chromosomes in humans, and it is typically only present in males.
Since females do not have a Y chromosome, they cannot inherit traits that are exclusively Y-linked. In males, however, any genetic variation on the Y chromosome is passed on directly from father to son.
Y-linked inheritance is relatively rare compared to other types of inheritance because the Y chromosome is small and contains relatively few genes. Some examples of traits that are known to be Y-linked include male-specific infertility, hair loss, and some types of color blindness.
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Cohesion, surface tension, and adhesion are the properties of water molecules that ________
Answers
Answer:
Hydrogen bonding
Explanation:
Hydrogen bonds between surface water molecules resist being stretched.
Cohesion, surface tension, and adhesion are the properties of water molecules that are all a result of hydrogen bonding.
Hydrogen bonding is a transient intermolecular force caused by the electrical attraction between partially positive hydrogen atoms and partially negative F, O, or N atoms.
The attraction between partially positive hydrogen atoms and partially negative oxygen atoms of adjacent water molecules that form hydrogen bonding takes place in water.The differences in electronegativity between hydrogen and oxygen atoms lead to associated properties that are Cohesion, surface tension, and adhesion. Cohesion - Attraction between water moleculesAdhesion - the attraction between the water molecules and other compounds.The surface tension - sticking of water molecules to one anotherThus, the correct answer is - are all a result of hydrogen bonding.
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What biotic and abiotic components of the environment affect the life cycle of the lodgepole pine?
Answers
Biotic and abiotic are the two essential factors responsible for shaping the ecosystem.
The biotic factors refer to all the living beings present in an ecosystem, and the abiotic factors refer to all the non-living components like physical conditions (temperature, pH, humidity, salinity, sunlight, etc.) and chemical agents (different gases and mineral nutrients present in the air, water, soil, etc.) in an ecosystem. Therefore, both the abiotic and biotic resources affect the survival and reproduction process.
Furthermore, both these components are reliant on each other. Suppose one of the factors is removed or altered, its repercussions will be faced by the entire ecosystem. Without a doubt, abiotic factors directly affect the survival of organisms.
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Use your understanding of natural selection to explain how the mutations that occurred on Mc1r lead to the evolution of the rock pocket mouse?
Answers
Explanation:
The evolution of the rock pocket mouse is a great example of how natural selection can lead to the adaptation of a species to its environment. The mutations that occurred on the Mc1r gene allowed some individuals of the population to have a different fur coloration than the rest of the population. This new fur coloration provided a selective advantage to the mice living in the darker volcanic rock environment.
The darker fur of the rock pocket mouse provided camouflage against predators, allowing them to blend in with the dark rocks and avoid being seen. This made them less likely to be preyed upon by predators such as owls and snakes, which hunt by sight. As a result, the mice with the darker fur were more likely to survive and pass on their genes to the next generation.
Over time, as the population of the rock pocket mouse continued to be exposed to predation, the proportion of individuals with the darker fur coloration increased. This is because the individuals with the darker fur coloration were more likely to survive and reproduce, passing on their advantageous traits to their offspring. Eventually, the population became dominated by individuals with the darker fur coloration, and the rock pocket mouse became a distinct species.
This process, in which mutations that provide a selective advantage become more common in a population over time, is known as natural selection. In the case of the rock pocket mouse, the mutations that occurred on the Mc1r gene allowed the mice to adapt to their environment and avoid predation, ultimately leading to the evolution of a new species.
Sort the phrases into the appropriate bins depending on whether they describe exocytosis, endocytosis, or both.
a. decreases the surface area of the plasma membrane
b. requires fusion of vesicles with the plasma membrane
c. forms vesicles from inward folding of the plasma membrane
d. transported substances never physically cross the plasma membrane
e. increases the surface area of the plasma membrane
f. requires cellular energy
g. secretes large molecules out of the cell
Answers
Exocytosis: secretes large molecules out of the cell; requires fusion of vesicles with the plasma membrane; increases the surface area of the plasma membrane. (G, B, E)
Endocytosis: forms vesicles from inward folding of the plasma membrane; decreases the surface area of the plasma membrane. (C, A)
Both Exocytosis and Endocytosis: requires cellular energy; transported substances never physically cross the plasma membrane. (F, D)
What are Exocytosis and Endocytosis?
While Endocytosis involves the process of capturing a substance or particle from outside the cell by engulfing it with the cell membrane, Exocytosis involves the process of vesicles fusing with the plasma membrane and releasing their contents to the outside of the cell.
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Which of these is a true null hypothesis
Answers
Here, a true null hypothesis is option B. Age has no effect on math ability.
According to the null hypothesis, the two variables under investigation have no relationship (one variable does not affect the other).A null hypothesis is a statement that is believed to be true in statistics unless it can be proven false beyond a reasonable doubt. The rationale behind this is that the null hypothesis typically believes that the population contains no novel or unexpected information.The null hypothesis and alternative hypothesis are significant because they roughly describe the phenomenon, which is their goal. The intention is to offer a relational statement that will be directly tested in a research study to the researcher or investigator.Hence, option B is the correct answer.
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Which of the following is NOT a component of cell theory? *
1. All living things are made of at least one cell
2. All cells carry out the life processes
3. All cells have membrane-bound organelles
4. All cells come from pre-existing cells
Answers
Answer:
3. All cells have membrane-bound organelles
Explanation:
What is the purpose of the lab? for weather patterns
Answers
Answer:
Weather Lab is a tool to help visualize how North America's weather is formed.
Explanation:
Weather Lab is a tool to help visualize how North America's weather is formed. This lab is designed to model the complex interactions between air masses and ocean currents, but like all models it represents probable outcomes. Each prediction you make is for possible outcomes during Spring.
Hope It Helps
Compare the digestive systems of a flatworm and a human. Be sure to include examples of the various structures found in the digestive systems of both organisms. How are the digestive systems of humans and flatworms different? What are the major structures of the flatworm digestive system? What are the major structures of the human digestive system?
Answers
Flatworms belong to the phylum Platyhelminthes, which have bilateral symmetry, are not segmented, and don't have a body cavity (they are acoelomates).
They lack specialized circulatory and respiratory organs, so they have flattened shapes that allow the diffusion of oxygen and nutrients. Their digestive system has only one opening, the mouth, that is used for both ingestion and egestion (the release of undigested residues).
Flatworms' digestive system has the following structures:
• Mouth
,• Pharynx
,• Intestine
On the other hand, the human digestive system is composed of:
• Mouth
,• Pharynx
,• Esophagus
,• Stomach
,• Small intestine
,• Large intestine
,• Anus
We can see that compared to the human digestive system, flatworms' digestive systems are much simpler, as they lack many of the specialized structures that are present in humans.
Which statement accurately describes the energy needs for photosynthesis and cellular respiration?
A. Solar energy is needed for cellular respiration but not for photosynthesis.
B. Chemical energy in the form of glucose is needed for both cellular respiration and photosynthesis.
C. Chemical energy in the form of glucose is needed for photosynthesis, and solar energy is needed for cellular respiration.
D. Solar energy is needed for photosynthesis, and chemical energy in the form of glucose is needed for cellular respiration.
Answers
Answer:
D. Solar energy is needed for photosynthesis, and chemical energy in the form of glucose is needed for cellular respiration.
Explanation:
Both transverse and
longitudinal waves have
high points called
Answers
How might human anatomy be different today if the forerunners of humans had never inhabited the forest canopy
Answers
Explanation:
Humans would likely have never gained opposable thumbs because there would be no need to grasp as well as the shoulders because there would be no reason to move our arms in any direction.
Check all that are true of the following scenario.
An archer strings an arrow on a bow and draws the string back. Aiming the bow
upwards at a 45 degree angle, the archer pauses with arms locked into position and
then releases the string. The arrow flies upwards making an arc and then sticks into
the trunk of a tree with an audible thud.
At least four different types of energy are illustrated in this example.
The first energy transformation in the scenario is chemical energy to kinetic.
From the time the archer draws the bow until the thud us heard, entropy increases in
the universe.
The energy of the arrow at the end of the scenario is equal to the energy exerted by the
muscles of the archer.
When the arrow sticks into the tree the original energy has all been used up.
Answers
Statements 1 and 3 are true, while statements 2 and 4 are false.The first energy transformation in the scenario is chemical energy to kinetic. - True.
The archer converts chemical energy stored in their muscles into kinetic energy when they release the string and propel the arrow forward.From the time the archer draws the bow until the thud is heard, entropy increases in the universe. - False. Entropy is a measure of disorder or randomness in a system. In this scenario, the archer's actions do not necessarily lead to an increase in entropy.
The energy of the arrow at the end of the scenario is equal to the energy exerted by the muscles of the archer. - False. Energy is conserved in a closed system, but some energy is lost as heat and sound during the process. Therefore, the energy of the arrow at the end may be less than the energy exerted by the archer's muscles.
When the arrow sticks into the tree, the original energy has all been used up. - False. Energy is not created or destroyed but rather transformed from one form to another. Some of the initial energy from the archer's muscles is transferred to the arrow's kinetic energy, but it is not entirely used up.In summary, statements 1 and 3 are true, while statements 2 and 4 are false.
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list two sex linked genes found on the Y-chromosome
Answers
Answer:
The Y chromosome contains a "male-determining gene the SRY gene, that causes testes to form in the embryo and results in development of external and internal male genitalia.
Explanation:
how many parish are in Jamaica
Answers
Answer:
14 parishes
Explanation:
The island is divided into three counties – Cornwall, Middlesex, and Surrey – which are further subdivided into 14 parishes: Kingston, St. Andrew, St. Catherine, Clarendon, Manchester, St. Elizabeth, Westmoreland, Hanover, St. Andrew, etc.
Answer:
14
Explanation:
The diagram shows how gas exchange happens in a specialised structure of the lungs. Name part C.
Answers
The red blood cell, shown by the letter C in the diagram of the specialized structure of the lungs, is in charge of transferring oxygen from the lungs to the body's tissues and carbon dioxide from the tissues back to the lungs for exhalation.
A kind of blood cell called a red blood cell, also called an erythrocyte, is in charge of transferring oxygen from the lungs to the body's tissues and carbon dioxide from the tissues back to the lungs for exhalation. Hemoglobin, a protein that binds to both oxygen and carbon dioxide, is found in red blood cells, which are disc-shaped cells without a nucleus. They are an integral part of the body's ability to exchange gases with the environment and play a crucial function in the respiratory system.
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Can someone feel this chart out and give explanations. It’s on Benedict’s test, iodine test, Sudan test, and biuret test.
Answers
The biuret test is used to detect the presence of proteins in a sample. Biuret reagent is added to the sample, and if proteins are present, the copper ions in the reagent will bind to the peptide bonds in the protein, causing the solution to turn from blue to purple. The intensity of the color change is proportional to the amount of protein present in the sample.
What are Benedict’s test, iodine test, Sudan test, and biuret test?Benedict's test is used to detect the presence of reducing sugars, such as glucose and fructose, in a sample. To perform the test, the sample is mixed with Benedict's reagent and heated in a water bath. If reducing sugars are present, the solution will change from blue to green, yellow, orange, or red, depending on the concentration of reducing sugars.
The iodine test is used to detect the presence of starch in a sample. Iodine is added to the sample, and if starch is present, the iodine will bind to the starch molecules, forming a blue-black color.
The Sudan test is used to detect the presence of lipids or fats in a sample. Sudan III or Sudan IV dye is added to the sample, and if lipids are present, the dye will bind to the lipids, causing them to appear as red droplets in the sample.
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Which of the following is the best example of parasitism?
Group of answer choices
A bee collecting nectar from a flower
A tree frog hiding in plants for protection
A tick sucking a deer’s blood
A bird picking bugs off of a cow
Answers
Answer:
A tick sucking a deer's blood
Explanation:
All other examples show mutualistic relationships - both species benefit from the relationship. With parasitism the one species benefits (the tick) while the other suffers (deer).
Tests: Watch the following video https://youtu.be/f6c2cZfOULI Start at 3:20.
What are the independent and dependent variables in this experiment?
Independent:
Dependent:
What is the control and the constants to ensure test validity in this experiment?
Answers
According to the information, we can infer that the Independent variable: Temperature (specifically, the range of temperature). On the other hand, Dependent variable: Distribution of pikas. Additionally, Control: Pikas within their tolerance range of temperature and Constants: Other environmental factors, habitat conditions, and population of pikas.
What are the independent and dependent variables in this experiment?In this experiment, the independent variable is the temperature, specifically the range of temperature. The researcher will manipulate and observe how different temperature ranges affect the distribution of pikas.
The dependent variable is the distribution of pikas. It refers to the geographical or spatial range in which pikas are found. The researcher will measure and analyze how the distribution of pikas changes in response to different temperature ranges.
What is control and the constants to ensure test validity in this experiment?To ensure test validity, a control group of pikas within their tolerance range of temperature needs to be included. This group will experience temperatures within the range they can tolerate, providing a baseline for comparison. By comparing the distribution of pikas in different temperature ranges to the control group, the researcher can determine the impact of temperature on their distribution.
To maintain validity, other environmental factors such as altitude, precipitation, vegetation, and habitat conditions should be kept constant across the experimental groups. Additionally, the population of pikas being studied should be consistent, without any significant changes in population size or genetic composition throughout the experiment. These constants help isolate the effect of temperature on pika distribution and minimize confounding variables.
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the functions of the skeletal system
Answers
who is Charles darwin
Answers
Answer:
Charles Darwin came up with the theory of evolution.
Charles Darwin is a writer who wrote the book Orgin of species . He is the one that gave the idea of evolution . his proposition that all species of life have decended over time from common ancestors. He is a english naturalist, geologist and biologist
(50 points) Describe in your own words how do mitosis and cell differentiation work together to produce and maintain a complex organism?
Answers
Mitosis is a type of cell division which results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus.
What is diiferentiation?
Mitosis occurs in multicellular organism. Cellular differentiation is referred to as process by which a less specialized cell develop into a more specialized cell type.
Differentiation occurs many times during the development of a multicellular organism as the organism transform from a simple zygote to a complex system of tissues. Thus, mitosis and cell differentiation work together closely.
Differentiation is a usual process in adults and adult stem cells divide and develop into fully-differentiated daughter cells during tissue repair and during normal cell turnover.
Differentiation rapidly changes a cell's shape, size membrane potential, metabolic activity, and responsiveness to signals.
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Which of these characteristics do all living cells have in common?
Answers
Answer: They all demand oxygen for respiration. All cells must go via cellular respiration.
This is my questions tht I’m struggling on
Answers
Answer:
Explanation:
1. connects the internal reproductive organs to the exterior, etc.
vagina = female urethra = male
2. functions as the sex cells or gametes
egg = female sperm = male
3. the site where gametes are produced
ovary = female testis = male
4. functions to transport the gametes from the site of production...
fallopian tubes = female vas deferens = male
What system does the Borrelia burgdorferi bacteria enter from the tick to the host?
Nervous system
Muscular-skeletal system
Circulatory system
Respiratory system
Answers
He later does another capture exercise at the community garden near the high school. In this area, he captured and marked 40 butterflies. The traps in this location found 100 butterflies where 50 of them had tags. What is the population size of the butterflies at the school? Show work.
Answers
Answer:
Explanation:
To estimate the population size of the butterflies at the school, we can use the Lincoln-Petersen index. This index is based on the assumption that the proportion of marked individuals in the second sample is the same as the proportion of marked individuals in the total population.
According to the problem statement, the following information is given:
First capture:
Number of marked butterflies: 30
Total number of butterflies: 100
Second capture:
Number of marked butterflies: 50
Total number of butterflies: 100
Using the Lincoln-Petersen index, we can estimate the population size (N) as follows:
N = (M x n) / m
where M is the number of individuals marked in the first capture, n is the total number of individuals in the second capture, and m is the number of marked individuals in the second capture.
Substituting the values we have:
N = (30 x 100) / 50
N = 60
This means that we estimate the population size of the butterflies at the school to be around 60 individuals. However, this is only an estimate and there could be some sources of error or bias in the sampling method that could affect the accuracy of this estimate.
This chart gives data on greenhouse gas emissions in the United States from 1990 to 2013. Which questions would help clarify the evidence in the chart? Graph of U.S. Greenhouse Gas Emissions by Gas, 1990-2013. Horizontal line, 1990-2013. Bottom to above, gases shaded are Fluorinated, Other greenhouse, Methane, Carbon Dioxide in million metric tons of carbon dioxide equivalents ranging from 0-8,000.
Answers
The questions that would help clarify the evidence in the chart are:
A. What percentage of total greenhouse gas emissions is caused by natural sources?
C. Why are carbon dioxide emissions so much higher than other greenhouse gases?
What are greenhouse gases?A greenhouse gas is a particular kind of gas that both absorbs and emits radiant radiation, which causes the atmosphere to warm.
Methane, nitrous oxide, carbon dioxide, and other manmade compounds are among the main greenhouse gases.
Carbon dioxide is cited as the most significant greenhouse gas since it now contributes the most to the warming caused by human activity,
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Complete question:
This chart gives data on greenhouse gas emissions in the United States from 1990 to 2013. Which questions would help clarify the evidence in the chart? Select ALL the correct answers.
1. What percentage of total greenhouse gas emissions is caused by natural source?
2. Should industries emitting carbon dioxide in huge amounts be fined or punished?
3. Why are carbon dioxide emissions so much higher than other greenhouse gases?
4. Why did the quantity of carbon dioxide emissions stay constant throughout the period?
5. What is the chemical formula for methane?
At the end of anaphase 1 (meiosis), how many
chromosomes are on each side?