Polar bears live in very cold climates. Which of the following adaptations most likely helps polar bears to survive the extremely cold temperatures of the Arctic?
emperatures of the Arctic?
A.
Polar bears have a black nose surrounded by a dark muzzle.
B.
Polar bears have large teeth, including four sharp canine teeth.
C.
Polar bears have large paws and short, sharp claws.
D.
Polar bears have a thick layer of blubber under their skin.

Aparent with freckles is crossed with a parent without freckles. the punnett square shows the possible genotypes and phenotypes of the offspring. which statement accurately describes the probability of phenotypes? a.the offspring are more likely to have freckles. b.the offspring are more likely to have no freckles. c.the likelihood of the offspring having freckles and not having freckles is the same. d.the likelihood of the offspring having freckles and not having freckles cannot be determined.