B is the correct answer because it allowed he smaller organisms to evolve and not have to hide from dinosaurs
Answer:
A) A mutation in a single gene can result in a defective protein.
Explanation:
This hypothesis states that one gene codes for one protein-enzyme, so consequently, if mutation occurs in that gene, the enzyme will not work properly. This hypothesis was very important for the fundamental discoveries of molecular biology, but it is oversimplified meaning that relationship between genes and proteins is much more complex.
Answer:
Savanna or Forrest biomes have several diverse ecosystems
A decrease in plankton populations is an activity that would be a result of a sudden unexpected change in the environment.