Which of the following animals is showing a seasonal change to winter? Alligator warming in the sun
Bear shedding fur
Squirrel reproducing
Young cougar hunting

Which statement best describes a keystone species? o a. it has littlelmenetic variation. it has an extremely high population. 0 b. 0 c. it remains unaffected by all environmental changes. od. it has a strong influence on the ecosystem. 0 e. it's the first species to populate a new ecosystem.

Explain how fossils scientists make discoveries about the lives of organisms and about how environments have changed over time. plz hurry up it time

Which part of cellular respiration must occur before any of the other steps can occur