Why evolution classified as a theory

What does it mean if an area has high biodiversity? select one: a. different organisms live in the world b. lots of different organisms live an ecosystem c. lots of the exact same organisms live in an ecosystem

Which statement is the best summary of the model? a-a series of aerobic and anaerobic reactions take place in cells b- the sun's energy moves through trophic levels in a food chain c-light energy is converted into stored chemical energy plants.d- food molecules are broken down in the cells if living things.

How does the color of light affect the germination time (amount time a plant takes to develop) of a radish seed?