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.

Removing vegetation from a slope ___ the erosion of topsoil.

Which statement describes the chromosomes by the end of telophase II of meiosis? The chromosomes in each of two haploid cells coil and become more compact. The chromosomes in each of two haploid cells line up in the middle of the cell.

Give an example of an acid you can drink?

What is a scientific hypothesis? A. A collection of data that generates a scientific observation B. A final decision that describes a scientific model C. A rigorous procedure that produces scientific data D.

Why during commercial fermentation does special care need to be taking to keep the vets see you doing the process

Which of the following correctly arranges the planets by the size of their diameter? A) Uranus < Neptune < Mercury < Earth B) Earth < Mercury < Neptune < Uranus C) Mercury < Earth < Saturn < Jupiter D) Jupiter < Saturn < Earth < Mercury

How does ultra radiation cause skin cancer

How many ribose molecules are found in ATP?

Would a person be squashed by extreme gravity, float with ease, freeze, burn up, or something else

According to "Life Without Gravity," why can astronauts' muscles become weak? A. Without gravity, the blood is rerouted from the legs to the head. B. Without gravity, the body "grows" by as much as several inches. C.