the _____ hypothesis states that long term environmental unpredictability led to morphological and behavioral adaptations. group of answer choices a. savannah b. turnover c. pulse variability d. selection aridity
Answers
The hypothesis that states long-term environmental unpredictability led to hypothesis and behavioral adaptations is: Turnover
The hypothesis suggests that environmental changes due to climate or other factors cause species to respond to the change by undergoing evolutionary adaptations to become more adapted to the new conditions. This can result in increased diversity of species or increased survival rates in a given area.
The hypothesis is based on the idea that some species are better suited to survive certain changes than others, allowing them to survive and thrive in a given environment. The hypothesis is supported by evidence that shows species in more unpredictable environments tend to have higher diversity levels than those in more stable ones.
In summary, the Turnover Hypothesis suggests that long-term environmental unpredictability leads to evolutionary adaptations and selection aridity, which can result in increased species diversity and increased survival rates in a given area.
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Related Questions
_______________ are the brain's communication specialists, transmitting information to, from, and within the central nervous system.
Answers
Answer:
nerve cells
Explanation:
trust me i already took it
which bond is strongest
Answers
Answer:
covalent bond is strongest
The properties of matter depend on the types of atoms a substance is made ofTrue or false
Answers
This statement is true. Properties of a material are a direct consequence of the atoms that constitute it and their interactions.
2. A botanist studies how trees grow. The botanist finds an equation that will
predict how much a certain tree grows in a year, based on how hot it is that year.
What kind of model is this? Explain. (6 points)
Answers
The model described by the botanist is a predictive model that uses temperature as the independent variable and tree growth as the dependent variable.
It falls under the category of regression models, specifically linear regression, which aims to find a linear relationship between two or more variables.
Linear regression models are commonly used in many scientific fields to make predictions based on data. In this case, the botanist may have collected data on the growth of the tree over several years, along with corresponding temperature data for each year. By analyzing this data, the botanist can develop a linear regression model that predicts how much the tree will grow in a given year based on the temperature.
The model could have limitations, however, as there may be other variables that affect tree growth, such as soil nutrients, rainfall, and sunlight exposure. These variables may also need to be taken into account to create a more accurate model.
Overall, the botanist's model is a useful tool for predicting tree growth based on temperature, but further research and data collection may be necessary to refine the model and account for additional variables that affect tree growth.
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For what biomolecules might a bacon cheeseburger on a whole wheat bun test positive? * A. starch, lipid, nucleic acid B. starch, lipid, protein C. starch, sugar, protein D. starch, protein, nucleic acid
Answers
Answer:
They do have protein in the meat and pork but also a lot of corbohydrate, Carbohydrates and lipids are made of only carbon, hydrogen, and oxygen (CHO). Proteins are made of carbon, hydrogen, oxygen, and nitrogen (CHON). Nucleic acids such as DNA and RNA contain carbon, hydrogen, oxygen, nitrogen, and phosphorus (CHON P). So it could Be (C) or D
Explanation:facts and some are bad for liver digestive
Identify a FALSE statement from the following, O anthrophilic dermatitis are associated with humans only O anthrophilic dermatitis can be transmitted by close contact O zoophilic dermatitis are reported to be transmitted through wool O some dermatophytes are acquired from soil O geophilic fungi are often transmitted and acquired from fomite sharing Incorrect 0/1
Answers
The statement that is false from the following is "O anthrophilic dermatitis are associated with humans only."
Explanation:
Anthrophilic fungi are fungi that are mainly found on human beings and animals.
Anthropophilic dermatophytes are fungi that have a preference for humans as their primary host and rarely grow on animals or in soil.
These fungi typically cause relatively benign, superficial infections in humans, including ringworm and other dermatophyte infections.
The false statement from the following options is "O anthrophilic dermatitis are associated with humans only." because anthropophilic dermatitis are associated with both humans and animals and not with humans only.
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I will give you brainliest
symptoms of kidney and heart failure
Answers
Answer:
symptoms of kidney failure are Fluid retention, causing swelling in your legs, ankles or feet.Fatigue.
Confusion.
Nausea.
Weakness.
symptoms of heart faulier are
Shortness of breath with activity or when lying down.
Fatigue and weakness.
Swelling in the legs, ankles and feet.
Rapid or irregular heartbeat.
Reduced ability to exercise.
Explanation:
which of the following contribute(s) to the differences between the members of the domain archaea and the domain bacteria?
Answers
The differences between the members of the domain Archaea and the domain Bacteria are mainly due to their distinct cell wall composition, genetic makeup, and membrane lipid structures.
Archaea and Bacteria are both single-celled microorganisms, but they have significant differences. Archaea have unique cell walls that lack peptidoglycan, whereas Bacteria have cell walls containing peptidoglycan. Additionally, the membrane lipids of Archaea consist of branched hydrocarbons, while Bacteria have straight-chain fatty acids. Moreover, their genetic makeup differs, with Archaea having unique genes and introns absent in Bacteria, as well as distinct RNA polymerase and ribosomal proteins.
The differences between Archaea and Bacteria are primarily due to their cell wall composition, membrane lipid structures, and genetic makeup, which set them apart as distinct domains within the tree of life.
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Describe the initial conditions. a beaker with 150 milliliters of solution. a tube is floating at the top of the solution. the tubing contains . the beakercontains . describe the final conditions. a beaker with 150 milliliters of solution. a tube is floating at the bottom of the solution. the tubing contains . the beakercontains .
Answers
In the given initial conditions, a beaker with 150 milliliters of the solution has a tube that is floating at the top of the solution. However, the given information of what the tubing contains or what the beaker contains is missing. In the given final conditions, a beaker with 150 milliliters of solution has a tube that is floating at the bottom of the solution. However, the given information about what the tubing contains or what the beaker contains is missing.
Initial conditions:
Beaker: The beaker contains 150 milliliters of solution.
Tube: The tube is floating at the top of the solution. The content of the tubing is not specified.
Final conditions:
Beaker: The beaker still contains 150 milliliters of solution.
Tube: The tube is now floating at the bottom of the solution.
The content of the tubing is not specified.Therefore, the answer cannot be provided with incomplete information.
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(b) please describe three differences in the way ca2 is handled during cardiac muscle contraction/excitation compared to skeletal muscle.
Answers
There are three key differences in the way Ca2+ is handled during cardiac muscle contraction/excitation compared to skeletal muscle:
1. Source of Ca2+: In cardiac muscle, Ca2+ influx primarily comes from the extracellular space and sarcoplasmic reticulum (SR), while in skeletal muscle, Ca2+ is mainly released from the SR.
2. Trigger for Ca2+ release: Cardiac muscle contraction relies on the calcium-induced calcium release (CICR) mechanism, in which Ca2+ influx through voltage-gated L-type calcium channels triggers the release of more Ca2+ from the SR. In skeletal muscle, depolarization of the transverse tubules directly activates ryanodine receptors on the SR, causing Ca2+ release.
3. Termination of contraction: In cardiac muscle, Ca2+ is removed by the sodium-calcium exchanger (NCX) and sarco/endoplasmic reticulum Ca2+-ATPase (SERCA) pump, which transport Ca2+ back into the extracellular space and SR, respectively. In skeletal muscle, Ca2+ is mainly sequestered back into the SR by the SERCA pump.
These differences contribute to the unique excitation-contraction properties of cardiac and skeletal muscles, ensuring proper functionality in their respective roles.
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Which region of the Ig molecule interacts with the antigen? What makes the region suited for this purpose?
Answers
Answer and Explanation:
Immunoglobulins (Ig) are proteins that are composed of 4 polypeptidic chains: 2 heavy chains (H) and two light chains (L). They assemble in a structure with a 'Y' form. This structure has two regions: the Fab region and the Fc region.
The region of Ig which interacts with the antigen is the Fab region. That is possible because the Fab region presents variability in the amino acid sequence which determines the specific complementary shape with the antigen structure (like a lock and the key).
Jane and Jill wondered if the water plants required was related to the temperature of the air around the plants. The girls planted three pots of grass seed. Once the seeds germinated, they placed one pot in the sun, outdoors. They placed the second pot in the shade, outdoors. Finally, they place the third pot in a sunny greenhouse. All conditions were kept constant. The girls did not water any of the pots. They recorded the daily air temperature in all three locations, three times per day: 8:00 AM, 12:00 PM; 4:00 PM
what is the next logical step in jane and jills experiment?
A)check to see which set of the plants wilted first
b)water the group first to wilt
c)water the plants in the sunny locations ONLY
D)record air temp every 30 minutes
Answers
Answer:
B water group first to wilt
What is the science method used in mixing
Answers
Mixing methods are thought to generate ternary, quaternary, and multi-element systems, resulting in the formation of nanocomposite hard coatings.
Compound targets are used in the deposition of hard coatings to accomplish this. A typical mixer concurrently produces two sorts of patterns: radial mixing and flow division.
Rotational circulations of a treated substance around its own create radial mixing in the first scenario. To diminish or eliminate radial gradients in temperature, velocity, and material composition, processed material is intermixed.
A processed material separates at the leading edge of each mixer element and follows the channels defined by the element shape in the case of flow division.
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I need help with this practice problem solvingYour answer to this can be a summary that is at least 4 sentences long
Answers
Solution:
Advantages of solar appliances:
- Renewable Energy Source
- The ecological footprint is much smaller since greenhouse gases are not generated, since coal burning is not used.
- Reduces Electricity Bills
- Diverse Applications: solar energy can be used to produce electricity in areas without access to the power grid, distill water in regions with limited clean water supplies, and power satellites in space.
- Low Maintenance Costs: Most solar panel manufacturers offer a 20-25 years warranty. Solar power systems only need to be relatively clean.
There are no moving parts, there is no wear. The inverter is usually the only part that needs to be changed after 5-10 years. It works continuously to convert solar energy into electricity and heat (solar PV vs. solar thermal).
Disadvantages of solar appliances:
- The initial cost of purchasing a solar system is fairly high.
- Weather-Dependent: Solar panels are dependent on sunlight to effectively gather solar energy. Therefore, a few cloudy, rainy days can have a noticeable effect on the energy system.
- Solar Energy Storage Is Expensive: the batteries, used in off-the-grid solar systems, can be charged during the day so that the energy is used at night. This is batteries are expensive.
If the diploid number in a liver cell is 52, how many chromosomes are there in the egg of this organism? _________
Answers
☁️ Answer ☁️
annyeonghaseyo
Your answer is:
26.
Hope it helps.
Have a nice day noona/hyung!~￣▽￣❤️
Answer:
26
Explanation:
Hope this will help
the host cells that viruses can infect are determined by the _______.
Answers
The host cells that viruses can infect are determined by several factors, including the presence of specific cell surface receptors, the availability of cellular machinery necessary for viral replication, and the ability of the virus to evade or overcome host defenses.
One of the primary determinants of viral host cell specificity is the presence of specific cell surface receptors. These receptors are proteins or other molecules on the surface of host cells that viruses use to gain entry.
Viruses often have specific proteins on their surfaces, known as viral attachment proteins, that bind to complementary receptors on host cells. The interaction between viral attachment proteins and host cell receptors is highly specific & determines which cells the virus can infect. Different viruses may have different receptor requirements, allowing them to target specific cell types or tissues.
The availability of cellular machinery necessary for viral replication is another crucial factor in determining viral host cell specificity. After entering a host cell, viruses hijack the cellular machinery to replicate their genetic material, synthesize viral proteins, & assemble new viral particles.
Viruses rely on specific cellular components and processes to carry out these steps, and the availability of these factors can vary between cell types. For example, some viruses may require the presence of particular enzymes or signaling pathways that are only found in certain cell types, limiting their ability to infect other cells.
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PLEASE HELP WILL GIVE THANKS AND BRAINEST
1. At what speed was Animal 1 moving
time? What seems to be its top speed? Did it move at
this top speed for very long?
2. About how fast did Animal 2 move when it was
active? Was it most active during the day or during
night? How often did it stop to rest?
3. When was Animal 3 active? Was it usually moving
at high speed? What was its top speed? For
approximately how long did it move at this speed?
How far would it have traveled during this time?
4. Which of the four animals was mostly active at
night? Which animal remained active through the
heat of the afternoon?
5. Match each animal with the feeding method it most
likely uses.
a.
b.
Animal 1 1. sit-and-wait predator
Animal 2 2. predator that pursues its prey
long distances
Animal 3
3. herbivore or omnivore
Animal 4
C.
d.
-
Answers
Answer: at least try to answer some of them what this is
Explanation:
for each phenotype, list the genotypes (Remember to use the letter of the dominant trait)
* Straight hair is dominant to curly:
_____Straight
_____Straight
_____Curly
*Tail spikes are dominant to plain tails:
_____pointed
_____pointed
_____round
Answers
Straight- SS
Curly- ss
Pointed- PP
Pointed- Pp
Round- pp
What is a dehydration synthesis reaction and an example of it?
Answers
formation of maltose (malt sugar) from two molecules of glucose
_____________________________________________________
Answer:
Dehydration synthesis reactions are reactions in which molecules combine by the removal of a H atom and an OH group between them, which together form a molecule of water, H20. Therefore, a new molecule is synthesized while the reacting molecules lose a molecule of water (dehydration) between them.
For example, the formation of maltose (malt sugar) from two molecules of glucose is a dehydration synthesis.
N
If you were looking at a frog's lifecycle, you would find more specialized cells in what stage?
A. the beginning ball of cells
the adult frog
B.
C.
O D.
a developing tadpole
the same amount at all stages
4
Reset
Next
Answers
If you were looking at a frog's lifecycle, you would find more specialized cells in the adult frog stage (option b).
In a frog's lifecycle, the adult frog stage is where you would find more specialized cells. This stage occurs after the frog has gone through various developmental stages, starting from the beginning ball of cells.
1. The beginning ball of cells: This is the initial stage of a frog's development. It starts with the fertilization of the egg and the formation of a zygote. At this stage, the cells are not yet specialized and are in the process of dividing and multiplying.
2. Developing tadpole: After the beginning ball of cells, the zygote undergoes further development and transforms into a tadpole. The tadpole stage is characterized by the presence of gills and a tail. The cells in this stage are becoming more specialized but are still relatively unspecialized compared to the adult frog stage.
3. Adult frog: The adult frog stage is the final stage of the lifecycle. At this point, the tadpole has undergone metamorphosis and has transformed into a fully developed frog. In this stage, the cells have become highly specialized to perform specific functions necessary for the frog's survival, such as muscle cells, nerve cells, and specialized organs like the heart and lungs.
4. The same amount at all stages: It is not accurate to say that there is the same amount of specialized cells at all stages of the frog's lifecycle. As the frog develops and goes through metamorphosis, the cells differentiate and specialize to fulfill specific roles and functions required for each stage of development. The highest concentration of specialized cells is found in the adult frog stage.
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A substance synthesized at the cell body must undergo ______ transport to reach the synaptic knobs.
Answers
The cell body must undergo Anterograde transport to reach the synaptic knobs.
The synaptic feature is to transmit nerve impulses between two nerve cell neurons or among a neuron and muscle cellular. Synapses connect one neuron to every other and are thus liable for the transmission of messages from the nerves to the mind and vice versa.
Synapses are a part of the circuit that connects sensory organs, like those who come across aches or touch, within the peripheral frightened gadget to the mind. Synapses connect neurons inside the mind to neurons inside the rest of the frame and from those neurons to the muscle tissues.
Synaptic transmission is the method at synapses by way of which a chemical sign is launched from one neuron and diffuses to other neurons or goal cells where it generates a sign which excites, inhibits, or modulates mobile hobby.
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this mouse is expressing green fluorescent protein (gfp) in its cells. what color light is being shone on the animal to induce fluorescence? choose one: blue red yellow green
Answers
This mouse is expressing green fluorescent protein (GFP) in its cells. The light that is being shone on the animal to induce fluorescence is blue.
The green fluorescent protein (GFP) is a protein that is responsible for causing bioluminescence in the jellyfish Aequorea victoria. It has an inherent fluorescence property, which means when it is exposed to a specific light source, it can emit green light. When it's exposed to blue light, GFP absorbs it and fluoresces, emitting green light. GFP is used in imaging in living cells, as well as to track gene expression and protein localization. In living animals, it is used as a tag to mark genes and protein production in the organism and the individual's physiological processes.
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Which two statements in the passage are true about fungus-like protists?
Answers
Options are not provided in the questions, so the complete question is as follows:
Which two statements in the passage are true about fungus-like protists?
1) Fungus-like protists feed on decaying leaves.
2) They photosynthesize in the presence of sunlight.
3) They reproduce using spores. They use pseudopods to engulf any foreign material and convert it into food.
4) They are prokaryotic in nature.
Answer:
1) Fungus-like protists feed on decaying leaves.
3) They reproduce using spores. They use pseudopods to engulf any foreign material and convert it into food.
Explanation:
Molds are fungus-like protists and they are heterotrophs like fungi. Slime molds and water molds are well-known example of fungus-like protists. They feed on decaying organic matter such as leaves.
Fungus-like protists reproduce using spore and use pseudopods to engulf any foreign material and convert it into food.
Hence, the correct options are 1 and 3.
Answer:
1 & 3
Explanation:
I know stuff because im patrick and im a star
The careful observations of many scientists have resulted in the development of the cell theory. Which of the following is not part of this theory?
a. All cells contain a nucleus.
b. All cells come from existing cells.
c. The cell is the basic unit of all living things.
d. All organisms are made up of one or more cells.
Answers
Answer:
a
Explanation:
all cells do not contain a nucleus
PLEASE HELP ASAP!!!
If a strategic mineral, such as uranium, is becoming depleted in the United States, where we look acquire this
mineral?
Answers
Answer:
China, Russia, Kazakhastan, Mexico, Nimibia, Greenland, South Africa, Canada, Australia
In chemistry class, Allen determined the effectiveness of various metals in releasing hydrogen gas from hydrochloric acid. Several weeks later, Allen read that a utilities company was burying lead next to iron pipes to prevent rusting. Allen hypothesized that less rusting would occur with the more active metals. He placed the following into separate beakers of water: (a) 1 iron nail, (b) 1 iron nail wrapped with an aluminum strip, (c) 1 iron nail wrapped with a magnesium strip, (d) 1 iron nail wrapped with a lead strip. He used the same amount of water, equal amounts (mass) of metals, and the same type of iron nails. At the end of 5 days, he rated the amount of rusting as small, moderate, or large. He also recorded the color of the water.
consistency;
testability;
Tentativeness;
Answers
Answer:
i think is b
Explanation:
but not sure
hope this helps
How do you think ocean acidification will affect coral reefs?
Answers
Explanation:
The rising acidity of the oceans threatens coral reefs by making it harder for corals to build their skeletons. ... Corals grow their skeletons upward toward sunlight and also thicken them to reinforce them.
Ocean acidification (OA) is considered an important threat to coral reef ecosystems, because it reduces the availability of carbonate ions that reef-building corals need to produce their skeletons.
Select the correct answer.
Sonar stands for *sound navigation and ranging." what assumption was proved wrong after the invention of sonar?
O A.
The age of the ocean floor is variable.
O B.
The ocean floor is featureless. iS
• C.
The ocean floor is changing.
• D.
The ocean floor is denser than continental crust.
Answers
The correct answer is B. The ocean floor is featureless. The invention of sonar proved this assumption to be wrong as sonar technology allows for mapping of the ocean floor and has revealed that it is not featureless but rather has a complex topography with mountains, valleys, and other features.
HELP QUICK During photosynthesis, ______ is used to break water down into oxygen and hydrogen.
-A) oxygen
-B) glucose
-C) sunlight
-D) carbon dioxide
Answers
Answer: Oxygen
Explanation:
The sides of the DNA ladder consist of alternating______ and phosphates
Answers
Answer:
sugar
Explanation:
The sides of the stepping stool are made of rotating sugar and phosphate particles. The sugar is deoxyribose. The rungs of the stepping stool are sets of 4 sorts of nitrogen bases. Two of the bases are purines-adenine and guanine.