A population must have ________ for natural selection to occur.

A. a stable environment
B. many individuals
C. abundant resources
D. heritable variation


Answer: D

Biology & Microbiology

You might also like to view...

Which of the following is INCORRECTLY paired with its function?

A. lipase, triglyceride breakdown B. micelles, chylomicron production C. epithelial cells, triglyceride synthesis D. chylomicrons, triglyceride transport E. bile salts, emulsification

Biology & Microbiology

This type of forest is disappearing fastest

A) great oaks B) maple C) kelp D) tropical

Biology & Microbiology

When tissue lining a blood vessel is damaged, the first thing that happens is ________

A) erythrocytes release fibrin B) leukocytes multiply C) platelets convert fibrinogen to fibrin D) platelets adhere to the damaged tissue

Biology & Microbiology

Which groups contain both unicellular and multicellar members?

A. Bacteria B. Fungi C. Protists D. Animals E. Both B and D F. Both C and D G. Both B and C

Biology & Microbiology