You do nothing the first time you hear a loud sound. But each time you hear the sound, you receive a mild electric shock. Eventually, you cringe at the sound, knowing that it means you are about to be shocked. The first time you heard the sound, what type of stimulus was it?

Vegetation that grows along the floors of tropical and temperate forests is called undergrowth. how is the undergrowth of a tropical rain forest most likely to differ from the undergrowth of a temperate forest? a. a tropical rain forest's undergrowth most likely experiences periods of dormancy during colder weather. b. a tropical rain forest's undergrowth most likely experiences periods of dormancy during rainy weather. c. the undergrowth of a tropical rain forest most likely requires less sunlight. d. the undergrowth of a tropical rain forest most likely requires more sunlight.

Photosynthesis converts solar energy into what type of energy?

Identify the missing parts of the carbon cycle