Why do sex cells exist?

What are some examples of prokaryotic and eukaryotic organisms?

7.1 Review Which of the following is not a part of cell theory? all living things are made of cells the nucleus is the control center of the cell O cells only come from other living cells O cells are the basic unit of structure and function

What types of organisms in an ecosystem will likely be affected by a flood? a. producers, consumers, and decomposers b. producers and consumers c. consumers and decomposers d. no organisms will be affected.

What property of the dna molecule explains the necessity for okazaki fragments?

Plants are defined by what main characteristics?

At the end of telophase, what must occur? the cytoplasm is divided by cytokinesis the new cells must immediately begin to divide again the new cells fuse together to create one larger cell the cell begins to divide by replicating the chromosomes

What do these characteristics all have in common? A. They are all dominant. B. They can all be easily observed. C. They are all recessive. D. They can all be applied to other plants.

Why is a food web a more accurate representation of the flow of energy through an ecosystem than a food chain

Roman says that the risk of osteoporosis can be reduced by making certain lifestyle choices. Which lifestyle choice could Roman be referring to? a. increasing social interaction opportunities b. lowering salt intake c.

How is desertification able to occur in nondesert lands