Polar bears give birth and hunt on sea ice. which of the following would polar bears survive during the melting of arctic ice?

growing another layer of fur during summer
migrate inland to search for different food sources
staying put until the ice refreezes
sticking to the usual diet of seals

Many animals cannot sweat to maintain a stable body temperature. what is one other way animals can cool down?

Which of the following is true of metabolism in its entirety in all organisms? a) metabolism depends on a constant supply of energy from food. b) metabolism uses all of an organism's resources. c) metabolism consists of all the energy transformation reactions in an organism. d) metabolism manages the increase of entropy in an organism.

Which environmental change would most likely result in bullfrog offspring that are able to store more water than bullfrogs in previous generations?