I'm gonna forget this stuff anyways

The dry weight of organisms and organic matter in an ecosystem

The process by which water molecules moves back from Earth's surface to the atmosphere and back

Used by organisms to build organic molecules

Used by organisms to build DNA and nucleic acids

The original source of energy

Organisms that capture energy from the sun-include plants, some bacteria and algae

Consume plants or other organisms to obtain energy

Use the sun's energy to make

Eat plants or other producers

Animals that eat herbivores

Organisms that get their energy from organic wastes and dead bodies

Organisms that cause decay

Eat other carnivores

Interconnected group of food chains