sub-units for Amino Acids

A group that mates and produces offspring

Element found in organic compounds

Something that eats something lower on the food chain

A pH of less than 7

sub-units for carbohydrates

# of organisms in a given area

Transport that goes from high to low and requires no energy

The bottom level of the food web consists of these

6 CO2 + 6 H2O → C6H12O6 + 6 O2

sub-units for lipids (fats)

Where most of earth's energy comes from

Transport that goes from low to high and requires energy

The bottom level of the energy pyramid consists of these

Possible explanation for an observation

Starch is what macromolecule

Release nutrients when an organism dies

A solution that makes a cell get larger

A rhino eats plants. Which trophic level would the rhino be in?

Process for moving large molecules through the membrane

Molecules that have the same chemical formula but have different molecular structures

An interacting group of various species in a common location

Type of bond describing a molecule that has slightly different charges

Can't capture light or chemical energy to make their own food out of carbon dioxide

Cholesterol is this organic compound