7th Grade Life Science

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Life Introduction

Animals and Scientfic Inquiry

Cells

Genetics And Evolution

Ecology

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Ecology Vocabulary

Abiotic Factors: All the non-living things that affect living thing in the ecosystem.

Examples: Sun, temperature, soil

Biotic Factors: All the living things that affect living things in the ecosystem.

Examples: Decomposer, Plants, animals, fungi, people

Community: All of the organisms that live in the same place.

Consumer: A living thing that eats another living thing.

Example: A deer is a consumer because it eats grass.

Decomposer: An organism that gets its energy from dead organism

Ecology: The study the relationship of organisms in their surroundings.

Ecosystem: The community of organisms that live in a particular area, along with their nonliving surroundings.

Examples: prairie, forest, lake, stream, pond

Environment: Surroundings

Food Chain: A model that shows how energy moves through an ecosystem from the producer to the consumers.

Food Web: A model that shows how food chains overlap in an ecosystem.

Habitat: A place where a living thing lives

Host: The organism that is harmed by another organism

Limiting Factors: Things in the environment that keep the size of a population down.

Niche: organisms role or job, in its habitat

Parasite: An organism that gets its energy from another organism and harms that organism

Population: All the members of one species in a particular area.

Predator: An animal that eats another animal

Prey: An animal that is eaten by another animal

Primary Consumer (Herbivore): Animal that eats a plant.

Example: A caterpillar is a primary consumer because it eats plant leaves.

Producer: Any organism that is able to make its own food from sunlight

Example: Plants make their own food from sunlight so they are called producers

Secondary Consumer (Carnivore): An animal that eats a Primary consumer, eats another animal

Tertiary Consumer: An animal that eats a secondary consumer

Energy Pyramid: A way to show how energy is lost through the different levels of a food web.