3. mammals and birds are able to maintain relatively constant body temperatures. in cold weather, their internal temperatures could be many degrees warmer than the air temperature around them. how is the heat energy required to warm the body created?

Write a paragraph at least 5 sentences “why all vaccinations should be mandatory”

Every early childhood education program should develop a

16 select the correct answer from each drop-down menu. sharks, whales, and dolphins share similar features such as body shape and the position of fins. hoy while whales and dolphins have lungs. these differences indicate that the organisms share a comme whales also possess a vestigial pelvic bone. the presence of the pelvis bone may indicate that whales reset next