Within a pyramid of energy:

energy flows down from higher to lower trophic levels

energy flows back and forth between trophic levels

energy flows up to increasingly higher trophic levels

Match each term with its definition. a sequence of DNA located upstream of a gene that signals the start of transcription a transcription factor that prevents mRNA synthesis by binding to the operator of a gene an element that disrupts the signal

Which compound is also a carbohydrate?

When do you think the world will end?

What type of carbohydrate forms chains

Charles Darwin was never a student, but a what?

The nurse instructs a pregnant client in the sources of protein that can be used to meet the increased daily requirement during pregnancy. how many grams of protein should the client eat each day? 65 g 60 g 55 g 50 g

A large molecule consisting of many identical or similar monomers linked together by covalent bonds.

What is the significance of an eyespot in the cell of euglena

How does soil affect the potential hydrogen of water

4 importances of nitrogen to living things