Which of the following is NOT one of the fundamentals of evolutionary change produced by natural selection?
a. A trait must be inherited if natural selection is to act on it.
b. Natural selection cannot occur without population variation in inherited characteristics.
c. Fitness is a relative measure that changes as the environment changes.
d. Natural selection can act only on traits that affect reproduction.
e. A trait acquired by an animal during its lifetime can be passed onto offspring.
Question 2
Which of the following concepts DID NOT influence Darwin in developing his theory of evolution?
a. Population size increases more rapidly than food supplies.
b. There is competition among individuals for resources.
c. Species are unchanging types, and individual variation within a species is not important.
d. There is biological variation in all members of a species.
e. Favorable variations are passed on and accumulate in populations over time.
Change in Emotional States During Adolescence Average emotional state becomes teadilyi more negativ
Natural defenses against stomach acid.
Natural Products
The induced conformational change in hexokinase
Rock cores as indicators of environmental change
There Is a Difference between Natural and Added Sugars