O 4. How does energy get into the biosphere? Plants use energy from the Sun to make sugars.
Plants break apart carbon dioxide to make sugars.
Plants use energy from the Sun to make oxygen .
Plants break apart nutrients to return them to the biosphere.

Choose the molecule that is described by each phrase. energy used during long activities:

What evidence supports the law of conservation of energy? a) mechanical energy is converted to chemical energy during photosynthesis. b) oxygen is made from the breakdown of carbon dioxide during photosynthesis. c)energy is absorbed by chlorophyll and becomes chemical energy during photosynthesis. d)the sun gives off light energy that is absorbed by plants.

Which of the following describes a boom period? a. as one population increases, another population decreases. b. as one population increases, the other population also increases. c. as one population decreases, another population increases. d. as one population decreases, another population also decreases