Charles Darwin noted that the human lineage probably arose out of Africa. Which of the following was most likely the reason behind his hypothesis?
A. Africa has warmer temperatures, which
allows for greater diversity.
B. Gorillas and chimpanzees, which are the
primates most closely related to humans, only
live in Africa.
C. Africa was the first land mass that was
suitable for life.
D. This was before the advent of molecular
analysis, so Charles Darwin was incorrect.
E. None of the answer options are correct.
B
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The primary producers for hydrothermal vent ecosystems are
a. chemoautotrophs b. chemoheterotrophs c. phytoplankton d. cyanobacteria e. algae
The energy an object has due to its motion
What will be an ideal response?
An animal cell that is surrounded by fresh water will burst because the osmotic pressure causes
A. Water to move out of the cell B. Water to move into the cell C. Solutes to move into the cell D. Solutes to move out of the cell
The height at which green anoles and brown anoles perch in trees overlaps a bit. When brown anoles were introduced to islands inhabited by green anoles, the green anoles evolved a higher number of specialized toe scales in order to perch higher than they previously did when they were the sole species on the island. This is an example of:
A. Interference competition B. Ecological character displacement C. Ecological release D. Escape-and-radiate coevolution