Topic 19: Organisms and their Environment

Shows the transfer of energy (food) from one organism to the next beginning with a producer.

An organism that makes its own organic nutrients usually using energy from sunlight through photosynthesis.

A network of interconnected food chains.

An organism that gest its energy by feeding on other organisms.

An animal that gets its energy by eating plants.

An animal that gets its energy by feeding on other animals.

An organism that gets its energy from dead or waster organic material.

The posisiton of an organism in a food chain food web or ecological pyrimid.

Where growth of the popuklation is slow.

Where is populatiopn is increasing rapidly.

Where the size of the population remians the same size.

Where population numbers drop.

Predators that feed on secondary consumers.

How much mass the creature at each level would have withoit including the water that is in the organism.

A group of organisms of one speciecs living in the same area the same time.

Nitrgoen gas combines with oxygen forming nitrogen oxides dissolves in rain washes into the soil and forms nitrates

Nitrgoen and hydrogen reaction to form ammonia

Bacteriua that live in soil or root nodules uses nitrgogen gas to convert into ammonium ions.