Decomposers are necessary in a food chain

because they

(1) manufacture food by photosynthesis

(2) return nutrients to the ecosystem

(3) absorb energy from the Sun

(4) produce organic nutrients

If you throw away an empty mineral water bottle, it will polutute the land. If you burn it, it will cause air pollution. Can you think of a way of avoiding both?

Alcoholic beverages A) dilate the blood vessels and B) increase the amount of water removed from the blood. How would factors A and B affect blood pressure? Select one: a.

What is the catalyst in a metabolic pathway

A personal business letter may be written by

Which activity would be an appropriate first step when designing an experiment? (1) reporting a conclusion based on multiple experimental trials (2) researching the problem, using information from a variety of sources (3) creating a data table to

The collecting duct is impermeable to water in the presence of adh. True or False

In the second stage of aerobic respiration, what happens to the electrons that have been depleted of their energy during atp production?

Which sense organs do reptiles use in finding prey?

What structures do animal cells must have to produce protein

6 examples of the kingdom of life