The producer in an energy pyramid contains about 1,000 kcal of energy. About how much of this energy is used by the producer or lost as heat to the environment?

Processes and packages proteins and lipids in the cell

Intentional conversion (by humans) of persistent upland or shallow water to wetland is termed:

1 Select the correct answer from each drop-down menu. Mark's dentist gives him a shot before performing a root canal. The dentist says the shot is anesthesia and that Mark won't feel any pain.

Which kind of organism does not generally require oxygen or sunlight to survive

Osmosis is considered a special case of diffusion because

Cell differentiation refers to: a) cell organelles with different structure b) all the functions inside a cell c) the difference between plant cells and animal cells d) different functions inside an organism

Identification and location of genes on chromosomes that might affect cholesterol metabolism has been difficult because many of the genes that affect this trait interact, a phenomenon that is called epistasis. T or F?

What is the role of CdKs?

How many chromosomes in a human

Which term refers to a species creating more offspring than can possibly survive?