Which describes vestigial structures and how they relate to evolution? A. Snakes have tiny internal hind leg bones, indicating that they likely descended from lizards.
B. Humans and dogs have similar bone structures in their forelimbs, indicating a common ancestor.
C. Dolphins and birds have structures that are adapted for swimming, but the structures did not evolve the same way.
D. The DNA of mice and chickens shows similar patterns, suggesting that the two species are related.
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Research cheetahs on the internet what has contributed to this animal becoming "endangered" or "threatened." what animal you have chosen? -cheetah how long has the animal been endangered or threatened? what has contributed to this animal’s endangered or threatened status? why is it important to save this animal from extinction? after researching and gathering facts, write a 350-word letter from the point of view of an animal rights' activist. be sure to include at least five facts that you learned from your research.

Several bird species feed in a certain species of tree. each bird species feeds in a different part of the tree. which statement is true of these bird species? a. they have adapted to different niches due to competition b. they have a carnivorous relationship with the tree species. c. they have adapted to different niches due to predation d. they have a symbiotic relationship with the tree species.

Which ocean is on the eastern coast of north and south america? arctic ocean indian ocean pacific ocean atlantic ocean