Explanation:
churning or digestion of food aided by the stomach is essential to life
Are their any answers choices to pick from
No because of the whole population was identical they would not have genders and would not be able to reproduce. Reproduction is essential to evolution
The molecules that contain instructions for building proteins are <em>B.) DNA molecules</em><em />
DNA consists of molecules called nucloetides. Each nucleotide contains a phosphate group, sugar group, and nitrogen base. There are four bases: cytosine (C), thymine (T), adenine (A), and guanine (G). The order of these bases is what determines the genetic code, or DNA instructions.
Thank you for your question! I hope this helped! :D Have an amazing day! :)
Answer:
I can help you
Explanation:
Scientist most likely study Embryos due to the fact that they are barely starting to develop.
We originally study an Embryo to see how humans change and form. So while Embryos are growing and developing into babies. We can study them and see how we change as a whole.
And in Evolutionary Relationship, we do it to help see how animals evolve as well.
Remember that all of this has something to do with Evolution and the change of Physical Structure.