Some snake embryos have small buds resembling limbs. These buds disappear at later stages of embryonic development. These observations suggest that these snakes – * 1 point will have offspring with limbs. have functional limbs as adults. evolved from a limbed ancestor. had a parent with working limbs.

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?