Which of the following decreased carbon dioxide levels in the atmosphere?

A. Cellular respiration

B. Decomposition by bacteria

C. Burning fossil fuels

D. Photosynthesis

What are 4 enzymes involved in dna replication?

Create a small dichotomous key that names the following creatures.

An ecologist is constructing a food web of a grassland ecosystem. if she wants to include decomposers, what arrows would she need to add?

if there are 14 chromosomes in pea plant cells, how many chromosomes are present in a sex cell of a pea in mieosis

How does the greenhouse effect adjust the temperature of the atmosphere?

Which organism in the chart below is most distantly related to the other organisms?

These words were written by Robert Hooke in 1665. The pores or cells that Hooke described were really -

During the process of RNA transcription, which of the following steps is not included? Initiation Elongation Termination

If you push very hard on an object but it does not move, have you done work

How might an amino acid change at a site distant from the active site of the enzyme alter the enzyme's substrate specificity? A. By changing the enzyme's stability B. By changing the enzyme's location in the cell C.