Which of the following are required for evolution to occur?
a. genetic variability in a population
b. selection for adaptive traits
c. high level of individual fitness
d. sexual reproduction
e. genetic variability in a population and selection for adaptive traits
E
You might also like to view...
Which is most likely to happen to a human polyploid?
a. natural abortion b. death around the age of 1 year c. survival until the early teens d. survival until the mid-thirties e. death around the age of 1 month
Phagocytosis is a process that cells primarily use to obtain nutrients.
a. true b. false
What distinguishes facilitated diffusion from simple diffusion?
a. Molecules move from a region of lower concentration to a region of higher concentration. b. Membrane proteins help move molecules across the membrane. c. No energy is used to move molecules across the membrane. d. Molecules move from a region of higher concentration to a region of lower concentration.
In general, hormones that bind to plasma membrane receptors ________
A) are steroid hormones B) bind to DNA and cause changes in transcription C) cannot pass through cell membranes D) are produced in the interstitial fluid