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36 Cards in this Set

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  • Back

Abiotic factor

A nonliving part of an ecosystem

Acceleration

Change in velocity with respect to time

Adaptation

A characteristic that enables a living thing to survive in its environment

Balanced forces

When two forces cancel each other out

Biotic factor

A living part of an ecosystem

Carbon cycle

The continuous exchange of carbon dioxide and oxygen among living things

Carnivore

An animal that eats another animal

Climate

The average weather pattern of a region

Commensalism

A relationship between two kinds of organisms that benefits one without harming the other

Community

All the living things in an ecosystem

Consumer

Any animal that eats plants or eats other plant eating animals

Deciduous forest

A forest biome with many kinds of trees that lose their leaves each autumn

Decomposer

Any of the fungi or bacteria that break down dead plants and animals into things like minerals and rich soils

Ecosystem

All the living and nonliving things in an environment, including their interactions with each other

Evaporation

The slow changing of a liquid into a gas

Food chain

The path of the energy in food from one organism to another

Food Web

The overlapping food chains in an ecosystem

Force

A push or pull exerted by one object on another which causes a chance in motion

Friction

A force that opposes the motion of one object moving past another

Gravity

The force of attraction between any two objects due to their mass

Habitat

The place where a plant or animal naturally lives and grows

Herbivore

An animal that eats plants, alge, and other producers

Inertia

The tendency of a moving object to keep moving in a straight line or of many object to resist a change in motion

Limiting factor

Anything that controls the growth or survival of a population

Mass

A measure of the amount of matter in an object

Non-renewable resources

A resource that cannot be replaced within a short period of time or at all

Omnivore

An animal that eats both plants and animals

Predator

An animal that hunts other animals for food

Prey

A living thing that is hunted for food

Producer

Any of the living plants and algae that produce oxygen and food that animals need

Unbalanced force

Forces that do not cancel each other out when acting together on a single object

Velocity

The speed and direction of a moving object

Water cycle

The continuous movement of water between Earth's surface and the air changing from liquid to gas to liquid

Water vapor

Water in the form of a gas

Weather

What the lower atmosphere is like at any given time and place

Weight

The force of gravity between Earth and an object