Well one way is how hurricane winds and such can blow birds off course. Another is how when trees fall down that forces animals to relocate.
Depending on the organism, the cell can get its energy from the sun (Plant; Photosynthesis) or through ATP energy (Animal).
Answer:B, D
Explanation:
When the roller coaster starts flying down the hill, it gains kinetic energy and loses potential energy.
Comets are most like planets have elliptical orbits