An organism that can make its own food.

An organism that gets its energy by feeding on other organisms.

Consumers that only eat plants.

Consumers that only eat animals.

Consumers that eat plants and animals.

A carnivore that feeds on the bodies of dead organisms.

Break down biotic wastes and dead organisms and return the raw materials to the ecosystem.

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

The pattern of many overlapping food chains in an ecosystem.

A diagram that shows the amount of energy that moves from one feeding level to another in a food web.

The process by which molecules of liquid water absorb energy and change to a gas.

The process by which a gas changes to a liquid .

Any form of water that falls from clouds and reaches Earths surface as rain, snow, sleet, or hail.

The process of changing free nitrogen into a usable form of nitrogen.

A group of ecosystems with similar climates and organisms.

The average annual temperature and amount of precipitation.

An area that receives less than 25 centimeters of rain per year

Forests that receive large amounts of rainfall year round.

The tallest layer of the rain forest which receives the most sunlight and can reach up to 70 meters.

A leafy roof with trees up to 50 meters tall.

A layer of shorter trees and vines that is about 15 meters high.

An area that is populated mostly by grasses and other nonwoody plants and recieve 25 to 75 cent. of rain each year.

An area with scattered shrubs and small trees and receive as much as 120 cent. of rain each year.

Trees that shed their leaves and grow new ones each year.

Dense forests found in upper regions of the Northern Hemisphere.

Trees that produce their seeds in cones and have leaves shaped like needles.

An extremely cold and dry area.

Frozen soil found in the tundra.

An area where the fresh water of a river meets the salt water of an ocean.

An area between the highest high-tide line on land to the point on the continental shelf exposed by the lowest low-tide line.

The area of the ocean that extends from the low-tide line out to the edge of the continental shelf.

The study of where organisms live and how they got there.

The hypothesis that the continents slowly move across Earth's surface.

The movement of organisms from one place to another.

An organism that is carried into a new location by people.

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Chapter 2 Science

Ecosystems and Biomes

Term	Definition
Producer	An organism that can make its own food.
Consumer	An organism that gets its energy by feeding on other organisms.
Herbivores	Consumers that only eat plants.
Carnivores	Consumers that only eat animals.
Omnivores	Consumers that eat plants and animals.
Scavenger	A carnivore that feeds on the bodies of dead organisms.
Decomposers	Break down biotic wastes and dead organisms and return the raw materials to the ecosystem.
Food Chain	A series of events in which one organism eats another and obtains energy.
Food Web	The pattern of many overlapping food chains in an ecosystem.
Energy Pyramid	A diagram that shows the amount of energy that moves from one feeding level to another in a food web.
Evaporation	The process by which molecules of liquid water absorb energy and change to a gas.
Condensation	The process by which a gas changes to a liquid .
Precipitation	Any form of water that falls from clouds and reaches Earths surface as rain, snow, sleet, or hail.
Nitrogen Fixation	The process of changing free nitrogen into a usable form of nitrogen.
Biome	A group of ecosystems with similar climates and organisms.
Climate	The average annual temperature and amount of precipitation.
Desert	An area that receives less than 25 centimeters of rain per year
Rain Forests	Forests that receive large amounts of rainfall year round.
Emergent Layer	The tallest layer of the rain forest which receives the most sunlight and can reach up to 70 meters.
Canopy	A leafy roof with trees up to 50 meters tall.
Understory	A layer of shorter trees and vines that is about 15 meters high.
Grassland	An area that is populated mostly by grasses and other nonwoody plants and recieve 25 to 75 cent. of rain each year.
Savanna	An area with scattered shrubs and small trees and receive as much as 120 cent. of rain each year.
Deciduous Trees	Trees that shed their leaves and grow new ones each year.
Boreal Forests	Dense forests found in upper regions of the Northern Hemisphere.
Coniferous Trees	Trees that produce their seeds in cones and have leaves shaped like needles.
Tundra	An extremely cold and dry area.
Permafrost	Frozen soil found in the tundra.
Estuary	An area where the fresh water of a river meets the salt water of an ocean.
Intertidal Zone	An area between the highest high-tide line on land to the point on the continental shelf exposed by the lowest low-tide line.
Neritic Zone	The area of the ocean that extends from the low-tide line out to the edge of the continental shelf.
Biogeography	The study of where organisms live and how they got there.
Continental Drift	The hypothesis that the continents slowly move across Earth's surface.
Dispersal	The movement of organisms from one place to another.
Exotic Species	An organism that is carried into a new location by people.

Created by: zjo201027171

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