Which statement is true of producers?

a

They produce most of the carbon dioxide in ecosystems.

b

They provide most of the energy in ecosystems.

c

They fix most of the nitrogen in ecosystems.

d

They consume most of the biomass in ecosystems.

Which of the following best describes the function of the parasympathetic nervous system? A. It calms the body and conserves energy. B. It maintains internal equilibrium of the body. C. It arouses the body and expends energy. D.

Where is the land of the flying fish that starts with "b"

You get the results of Mrs. M's blood tests and see that the osmolarity of her blood is higher than normal. What is the most likely explanation for the increased concentration of Mrs. M's blood?

Which scenario would require the largest use of natural resources? 1-building stone structures for housing 2-fishers fishing for dinner each night 3-nomadic tribes following animals to hunt for food 4-creating grazing land and pastures

DNA has two strands. If the sequence of nucleotides of one strand was known, is it possible to use that information to determine the sequence of the second strand? Explain your reasoning for your response.

A well supported testable explanation of phenomena that have occurred in the natural world is called

Why is it that traditionally woman in minorities have been underrepresented in the sciences? How does this change in your generation?

Which gas is a source of natural groundwater pollution im thinking its carbon

How many atoms of each element are in the chemical formula p2 O5

Organisms that have groups of specialized cells organized into organs are always