Which species in the Galapagos islands was fundamental to Darwin's evolutionary ideas?
a. The boobies
b. The seals
c. The tortoises
d. The finches
e. The iguanas
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.
Evolutionary change in the tetrapod lineage, showing a transitional form.
Connell's experimental manipulation of species indicated the presence of competition.
Boreal forests, such as this one in Siberian Russia, are dominated by a few species of conifer trees
The Dugong is an endangered species; the largest remaining population is found in Australian waters
DNA Among Species of Hominids
Four kinds of evidence supporting the theory that species evolve.