There are 4,000 units of energy available to grass at the first trophic level of an ecosystem. If the grass is eaten by a mouse and the mouse is eating by an owl how many units of energy will be left for the bobcat that eventually eats the owl

Electromagnetic radiation can contribute to the "sick-building" syndrome concern. a. true b. false

What do scientists often use to make a prediction

The blood test used to measure the volume of erythrocytes is

Which of the following factors is least influential in affecting the biodiversity of wetlands?

The genetic material contained in the nucleus of each of the new cells is most like

Where can you find carbon inside an organism?

How did the grants test their hypothesis that differences in birds' songs can keep different species of finches from breeding with one another? how di

Which occurs during digestion? The mouth only allows for physical digestion. The mouth only allows for chemical digestion. Chemical digestion prepares the food for physical digestion. Physical digestion prepares the food for chemical digestion.

What would provide the body with the most energy? A. breaking a double carbon bond B. creating bonds to form a nucleic acid C. forming bond between lipids D. breaking the bonds in a polysaccharide

What type of electromagnetic wave is used in security pens?