Biotic and Abiotic Factors (Grade 7)

Environment

All the living and nonliving things that surround an organism

Ecosystem

All the living and nonliving things in an area that interact with each other

Species

A group of organisms that share similar characteristics and can mate with each other to produce offspring

Abiotic

All of the nonliving parts of an ecosystem

Biotic

All of the living parts of an ecosystem

Autotrophs

Organisms that make their own food

Heterotrophs

Organisms that feed from others

Animal

A living organism that feeds on organic matter

Depend

To rely on for support

Food Chain

A series of events in which one organism eats another and obtains energy

How do different organisms in a community obtain energy from their environment?

When one organism consumes another, it receives only part of the energy from what their food consumed

Organism

Any living thing

What are the three types of interactions between organisms

Predation, competition, and symbiosis

Why is the sun an important source of energy for all living things?

It provides help for the producers to do their job

How do organisms and populations depend on biotic and abiotic factors?

Certain things depend on other things for survival

Biome

A large geographic biotic unit, a major community of plants and animals with similar life forms and environmental conditions.

Biosphere

The global sum of all ecosystems; the zone of life on Earth, where land, water, and atmosphere interact to support living organisms.