Explanation:
controlled mating is the correct one.
I am assuming that since you are in a biology class, you are looking for the answer: cells.
Hope this helps! <3
I am absolutely sure that fish and crustaceans are similar in that both use <span>gills </span>for gas exchange. Even though you didn't share any options to choose the correct one do not hesitate to use my answer, this one is right.
Answer:
I think because of the chemical reaction I think something to do with carbon dioxide but I forget
B. From microorganisms that live in the soil.
