Which of the following large-scale environmental catastrophes has the least effect on aquatic ecosystems?

a.

oil spills

b.

deforestation

c.

global warming

d.

pollution

Which is found in eukaryotes but not found among prokaryotes such as bacteria archaea?

Blank is the rate at which work is done

4. In living cells, nucleotides and their derivatives can serve as: a. Carriers of metabolic energy. b. Enzyme cofactors. c. Intracellular signals. d. Precursors for nucleic acid synthesis. e. All of the above.

The branch of biology that deals with heredity and variation is

Lilly is exceedingly concerned about her weight. She thinks that her hips are unusually wide and that people secretly make fun of her appearance.

Organisms that break down complex compounds and dead tissue are

Which is an example of dehydration synthesis? A.) DNA synthesis from nucleotides B.) conversion of proteins into its amino acids C.) conversion of lipids into fatty acids

Making chemical energy from light energy is called cellular respiration. True or false

True or false, in the water molecule, electrons are equally shared by hydrogen atoms and oxygen atoms

What may happen as sediment and decaying organisms build up in a pond