The energetic hypothesis and dynamic stability hypothesis are explanations to account for a) plant defenses against herbivores. b) the length of food chains. c) the evolution of mutualism. d) resource partitioning. e) the competitive exclusion principle.

Why is it important to reduce the number of chromosomes in half when forming gametes for sexual reproduction?

Ascientist wants to determine the effect of a new type of gasoline. he fillsone car with normal gasoline and another identical car with the new gasoline.which is the control group? a. the new type of gasolineb. the car with the normal gasolinec. the car with the new gasolinethe amount of gasoline usedd. the amount of gasoline used

What must be done to breed dogs for a partical trait