What is a light year?

a. A measure of time in space

b. The distance light travels in a year

c. The distance to Alpha Centauri

d. A term used only in science fiction

A virus is a prokaryote true or false

Recessive allele definition

During what process is water produced

In a compost pile, food and dry leaves are broken down into simpler substances by bacteria and fungi. what carbon scyle process is at work

How many chromosomes do most human cells contain?

Explain how organisms contribute to fossil fuels.

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