Competition shapes communities because there are usually limited
A. species.
B. interactions.
C. resources.
D. nutrients.
Answer: C
You might also like to view...
Which one of the following are muscles that can contract, making the lens rounder to focus on close objects, and can relax to flatten the lens, enabling focus on distant objects?
A. iris B. lens muscles C. ciliary muscles D. lateral rectus muscle
In humans, skin color is controlled by several genes. Thus, skin color is a(n) ____ characteristic
a. dominant b. co-dominant c. epistatic d. pleiotropic e. recessive
A serious decrease in production of ADH will lead to
a. pituitary gigantism. b. acromegaly. c. diabetes mellitus. d. severe water loss. e. cretinism.
Which of the following is NOT an example of parental investment?
A. A male fish holds fertilized eggs in his mouth until they hatch to protect them from predators B. A female mammal produces milk for her offspring C. A male praying mantis is eaten by a female during mating, and the proteins from his body are deposited into the eggs she produces after mating with him D. A female bird sits on a nest to incubate eggs E. A male fish guards a female after mating with her, preventing other males from mating with her F. all of these are examples of parental investment