Which statement best describes evolution? a. species have changed over time b. traits acquired during a lifetime are passed to offspring c. earths organisms have not changed overtime d. all of earths organisms were formed at the same time

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