Small birds must eat more frequently than large birds in order to maintain their body temperature. This is because:
A. large birds are cold-blooded.
B. small birds are cold-blooded.
C. small birds have a lower surface area to volume ratio than large birds.
D. small birds have a higher surface area to volume ratio than large birds.
Answer: D
You might also like to view...
Genetic drift
a. leads to a loss of diversity in a population. b. requires small populations. c. occurs in populations with the founder effect. d. occurs following a bottleneck. e. fits all of these descriptions.
Benzer's analysis of phage genomes included deletion mapping
Since recombination could not occur in the area of a deletion, an infection by two phage strains, one of which has a deletion and the other a point mutation, that results in no wild-type recombinants being produced indicates ________. A) that the deletion includes the position of the point mutation in the same gene B) that the deletion includes the position of the point mutation in a different gene C) that the point mutation is dominant D) that the point mutation is recessive E) the distance between the two types of mutation
What are peripheral proteins
What will be an ideal response?
The fastest land animal is the cheetah, which can run about 70mph. The fact that its main prey species, the Thomson's gazelles can run about 50 mph, which is also very fast, is likely the result of ____
a. character displacement b. disruptive selection c. interference competition d. predator-prey coevolution e. mimicry