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.
Phylogenetic tree based on the distribution of 120 alleles in 42 populations from around the world,
The early hominin evolution
Symbolic language may have helped reinforce exclusive sexual relationships within social groups in l
The human eye, a product of 600 million years of evolution (Lamb, Collin, & Pugh, 2007).
Naturalistic Observation