In addition to sunlight and chlorophyll, what are the two materials that a plant needs to carry out photosynthesis

Why is excretion necessary to maintain homeostasis?

Regarding most of the narrator’s story, which word best describes the tone?

Abiologist counts the number of rabbits in a population each year and observes a decrease in population. since the coyote population has exploded, the biologist concludes that the coyote population has had a negative interaction with the rabbit population. which describes the biologist’s actions? a.) experimentationb.) inferencec.) observationd.) interacting