The biome with the most complex diversity is the
a. tundra.
b. taiga.
c. tropical rain forest.
d. desert.
e. grassland.
Answer: c
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According to Mendel, what kinds of genes
“disappear” in F1 pea plants? a. sex-linked b. dominant c. recessive d. codominant e. lethal
In a chemical analysis of an animal tissue sample, which element would be in the least quantity?
A. nitrogen B. hydrogen C. carbon D. oxygen E. iodine
Based on Acanthostega fossils, scientists now believe that the earliest tetrapods were
A) fully terrestrial. B) amphibians that used their limbs to drag themselves over the land from one water hole to another. C) fish that used their limbs to raise themselves out of the water to get gulps of air for oxygen. D) reptiles that resembled crocodiles.
What is not a reason that volvocine algae are ideal for studying the evolution of individuality?
a. They have had a recent transition to multicellularity. b. Within the group, there are multiple separate transitions to germ and soma lines. c. The group exhibits extensive variation multicellularity. d. They readily form aggregate slugs.