Habitats and communities
Food chain and food web
Factors affecting survival
Habitat and survival
100

The natural environment where an organism lives, providing the necessary conditions for survival (e.g., food, water, shelter).

habitat

100

A sequence showing how energy and nutrients move from one organism to another in an ecosystem (e.g., grass → rabbit → fox).

Food chain 

100

An animal that hunts and kills other animals for food.

Predator

100

The variety of different species in a habitat or ecosystem.

Biodiversity

200

A living thing, such as a plant, animal, or microorganism.

Organism 

200

An animal that eats only other animals (e.g., lions, wolves).

Carnivore

200

An animal that is hunted and eaten by a predator.

Prey

200

A community of living organisms and their physical environment, interacting as a system (e.g., a forest, a pond).

Ecosystem

300

A living thing, such as a plant, animal, or microorganism.

Environment 

300

An animal that eats only plants (e.g., cows, rabbits).

Herbivore

300

A close relationship between two different species that can be beneficial, neutral, or harmful.

Symbiosis

300

The complete disappearance of a species from Earth.

Extinction

400

A group of different species living together in the same area, interacting with each other.

community

400

An animal that eats only plants (e.g., cows, rabbits).

Omnivore

400

The things that organisms need to survive, such as food, water, and shelter.

Resources

400

The protection and preservation of natural resources, habitats, and biodiversity.

conservation

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