Independent: The second group is not given the drug.
Dependent: Dr. Smith wants to examine weather a new drug increases the maze running performance of older rats.
Constants: Dr. Smith teaches two groups of older rats to find a piece of tasty rat chow in the maze.
Answer:
Because from the researches I made,I can deduce that more electricity is hydro generated . Meaning that, it's generated from water.
Sperm have developed a flagellum
Answer: Missense Mutation
Explanation:
A missense mutation is when the change of a single base pair causes the substitution of a different amino acid in the resulting protein.
