Answer:
I think I it is selective breeding also known as artificial selection
It is A) a polymer.
Because Polymer is a large molecule and made of smaller molucules and they are called monomers
-Hope this helps
B chloroplasts, cell wall since the animals don't have or need them.
Enzymes are biological catalysts. Substances that increase the rate of chemical reactions without being used up, through lowering activation energy of the reaction. Enzymes are basically proteins folded into complicated shapes that allow small molecules to fit in them.
Hope it helps.
A is your answer I believe because they do indeed provide a way to review other scientists work and or experiments
