What is meant by the lock and key model? Explain the relationship between enzymes and substrates by describing the model that you created

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.

Modern whales developed their traits through natural selection what occurs during the process of natural selection

Based on the topographic map of mt. st. helens, what is the contour interval of the volcano about height is 2,950 m?