Organisms and Food Chain Quiz bio

Biotic Factor

a living factor in an organism's environment

Abiotic Factor

a non-living factors in an organisms environment

Organism

a living thing.

Population

organisms of the same species that share the same geographical location at the same time.

Community

a group of interacting populations that share the same geographical location.

Ecosystem

a biological community and all the abiotic factors that affect it.

Biome

a large group of ecosystems that share the same climate and have similar types of communities.

Biosphere

the portion of the Earth that supports life.

Predator

the organism that pursues.

Prey

the organism being pursued.

Habitat

an area where an organism lives.

Niche

the role or position that an organism has in its environment.

Symbiosis

the close relationship that exists when two or more species live together.

Mutualism

When both organisms benefit

Parasitism

one organism benefits and the other one is harmed.

Autotroph

an organism that collects energy from sunlight or inorganic substances to make food.

Heterotroph

also called a consumer, is an organism that gets his energy by consuming other organisms.

Limiting Factors

environmental factors that cause population decreases.

Commensalism

when one organism benefits and the other is indifferent