Central to Darwin's ideas on evolution is the observation that __________.
a. populations have limited potential for growth
b. creatures within a species all tend to look identical
c. nature is full of variation
d. artificial selection bears no resemblance to natural selection
Question 2
Why does the term survival of the fittest not properly describe natural selection?
a. Survival of the fittest is a term to describe artificial selection.
b. In biological terms, fitness is a measure of reproductive success.
c. Natural selection applies only to some organisms, whereas survival of the fittest applies to all organisms.
d. Survival of the fittest is a better way to describe evolution than natural selection.
Roles of the central and peripheral nervous systems.
The circulatory system plays a central role in thermoregulation by the moth, Manduca sexta
Charles Robert Darwin (1809-1882).
Symbolic language may have helped reinforce exclusive sexual relationships within social groups in l
evolution tree
evolution tree