7. (7.7A) Reptiles do not have the ability to create their own heat, and instead, sit in the sun for long periods of time in the mornings to warm up. Mammals and birds, on the other hand,
have the ability to create their own heat. Where do mammals and birds get the energy for
this heat?

How are the tortoises that darwin observed on the galápagos islands similar to the anoles that losos studied

What is used to keep track of the gamates and possible offsprings combination

An ecologist studied the same species of deer during the summer and the winter. she noticed that during the summer, when there was plenty of food, the deer were energetic and playful. however, during winter when food was scarce, the deer moved more slowly and did not run unless they needed to escape a predator. which scientific fact is best supported by her observations?