Select all that apply. Which vertebrates are endothermic?-birds
-reptiles
-amphibians
-mammals
-bony fish

Answers

Answer 1
Answer: Vertebrates that are endothermic are birds and mammals. Endothermic organisms are able to regulate their own body temperature while ectothermic organisms depend on the temperature of the environment. Birds and mammals are endothermic organisms. Fish, amphibians, and reptiles are ectothermic organisms.
Answer 2
Answer:

Answer:

Birds, mammals, bony fish


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Scientists who rely on creativity also tend to be persistent when they pursue a research goal. How might persistence be an advantage for a creative scientist?

Answers

Creative persistence is often useful when one is designing an experimental paradigm for example. It is useful tweaking different parameters of an idea which is much easier when one is creative - this is also at the core of scientific research very often. 

"Windrow composting is a process whereby compostable materials are fed into an environmentally controlled enclosed structure and allowed to decompose over time."A. True
B. False

Answers

Answer:

B. False

Explanation:

Windrow composting is the process to recycle organic scrap into organic fertilizer. Windrow composting provides large amounts of organic materials to be composted, having a geometrical pattern ranging from 2-4 m wide and 2-3 m high at the starting of the Windrow composting process. In Windrow Composting the most important thing is that it delivers water vapor, heat, and gases, and restores also.

The images show two species of tree frogs in a particular region.Two photos of a grey tree frog on the left, and a green tree frog on the right.
The gray tree frogs are adapted to the trees of the woodlands, while the green tree frogs can survive in woodlands or grasslands. The gray frog was abundant in the woodlands. Because of climatic changes, most of the trees in the region died, and the woodlands changed to grasslands. In such a case, the
.

The gray tree frog is closely related to the green tree frog genetically, but they have different mating calls. This suggests that speciation occurred because of
.

Answers

Answer:

the speciation of the gray tree frog and the green tree frog in the given scenario is likely a result of natural selection caused by the change in habitat from woodlands to grasslands, leading to differences in their mating calls.

Explanation:

the change in the environment from woodlands to grasslands due to climatic changes led to speciation, resulting in the gray tree frog and the green tree frog having different mating calls. This suggests that speciation occurred because of natural selection.

Here's an explanation of how this process might have occurred:

1. Initially, both the gray tree frog and the green tree frog shared a common ancestor and had similar mating calls.

2. When the climatic changes caused most of the trees in the region to die, the woodlands transformed into grasslands.

3. This change in habitat created a new selective pressure on the tree frogs. The gray tree frogs, which were adapted to the trees in the woodlands, faced difficulties surviving in the new grassland environment.

4. However, the green tree frogs, which had a broader habitat range and could survive in both woodlands and grasslands, were better suited to the new environment.

5. Over time, the gray tree frog population in the grasslands declined, while the green tree frog population thrived.

6. As the populations became isolated from each other, natural selection acted on the genetic variations present within each population.

7. The different mating calls between the gray tree frog and the green tree frog might have developed as a result of sexual selection. Frogs with mating calls that were most attractive or effective in their respective environments were more likely to reproduce and pass on their genetic traits.

8. Eventually, the genetic differences between the gray tree frog and the green tree frog became significant enough that they were considered separate species

Materials are able to move across a cell membrane through one of two methods: active transport or passive transport. What is the difference between active transport and passive transport?A. Active transport requires the cell to form vesicles, while passive transport requires the use of membrane pumps.

B. Active transport is the only form of transport that requires the use of protein carriers.

C. Active transport requires the cell to expend energy, while passive transport does not.

Answers

The difference between active transport and passive transport is that active transport requires the cell to expend energy, while passive transport does not, which is option C.

What are active transport and passive transport?

Cell membranes are selectively permeable barriers that allow certain materials to pass through while blocking others. In order to cross the membrane, materials move through transport processes. There are two main types of transport: active and passive. Passive transport is the movement of materials across the cell membrane without the input of energy. This includes diffusion, osmosis, and facilitated diffusion. These processes are driven by a concentration gradient, which is the difference in concentration of a substance between two areas. Active transport, on the other hand, is the movement of materials across the cell membrane that requires the cell to expend energy.

Hence, the difference between active transport and passive transport is that active transport requires the cell to expend energy, while passive transport does not, which is option C.

Learn more about active transport and passive transport here.

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the answer is C, because in active transport molecules are moving against the concentration gradient which is from low pressure to high pressure (pushing against the pressure). whereas in passive transport it is moving with the flow of the concentration gradient which is from High to low (moving with the pressure).

Which of the following ideas is supported by Darwin's observations of local variation among tortoises in the Galapagos islands?A: artificial selection
B: adaption
C: acquired characteristics
D: tendency towards perfection

Answers

B. Adaption. Hope this helped! :)

Which of those listed below is LEAST similar in what is measured and concluded? A. fluorescence in situ hybridization B. RT-PCR C. GFP fusion protein D. Northern plot

Answers

C. GFP fusion protein

The sequence of amino acids. Amino acids are the building blocks of protein. It is a strong of linearity that can be thousands in length. Moreover, the formation of the amino acid and its system is influenced by its genes’ nucleotides arrangement.  Hence the next factor is how is the structure of the amino acids bended and folded with itself that forms the certain protein molecule and forms the larger complex structure