Endothermic animals use the majority of their energy to
a. digest.
b. grow.
c. move.
d. reproduce.
e. stay warm.
E
You might also like to view...
These act as rivets anchoring adjacent cells together at spots throughout the cell.
A. adherens junctions B. desmosomes C. hemidesmosomes D. focal adhesions E. fibronectin
Which of the following is not a helminth that causes intestinal symptoms accompanied by migratory symptoms?
A. Trichuris trichiura B. Ascaris lumbricoides C. Necator americanus D. Toxocara
Serotonin is produced from the amino acid tryptophan.
a. true b. false
The figure below shows results of bristle number in Drosophila flies after 35 generations of artificial selection. This figure suggests that
A. natural selection cannot lead to large phenotypic changes. B. after 35 generations of selection, populations no longer exhibit variation in bristle number. C. bristle number has evolved beyond the original range of phenotypic variation for this trait. D. at the end of the experiment, "high population" flies were unable to interbreed with "low population" flies.