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Science Chapter 3 Unit D Notes
Science Chapter 3 Unit D Notes
32
Science
5th Grade
01/30/2013

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Term
biome
Definition
The world's largest ecosystem is also called a ________.
Term
rain forests
Definition
__________ are in the warmest climates where it rains almost every day. forests
Term
desert
Definition
The __________ can be very hot and hardly gets any rain.
Term
deciduous forest
Definition
In a __________, the winters are cold, but the summers are warm and wet. forest
Term
tundra
Definition
In a __________, the subsoil stays frozen all year.
Term
threatened
Definition
species in danger of becoming endangered
Term
forest, grassland, and desert
Definition
Beetles live in the __________.
Term
desert
Definition
A cactus grows in the __________.
Term
tropical rain forest
Definition
A toucan lives in a __________.
Term
taiga
Definition
The "Christmas Tree" grows in a __________.
Term
grasslands and forests
Definition
A field mouse lives in the __________.
Term
maples, oak, ash, and birch
Definition
Deciduous forest contains mainly ___, ____, ____, ____ trees.
Term
taiga
Definition
The __________ is an area that has fir, spruce, and pine trees and the winters are cold.
Term
saltwater ecosystem
Definition
The largest ____ is the open ocean.
Term
endangered
Definition
a species that is near extinction
Term
habitat destruction
Definition
What is the greatest threat to biodiversity of biomes all over the world?
Term
It helps all living things because living things depend on each other.
Definition
Why is biodiversity important to all people?
Term
biodiversity
Definition
the variety of organisms that live in Earth's many ecosystems; the variety of plants and animals that live within a particular ecosystem; an abundance of different life forms
Term
biomes
Definition
a major land ecosystem having a distinct combination of plants and animals
Term
deserts
Definition
a biome in which plant life is not abundant and rainfall is low
Term
extinct
Definition
no longer living as a species and gone forever
Term
grasslands
Definition
a biome containing many grasses but few trees and having low to moderate rainfall
Term
coastal ocean
Definition
a saltwater ecosystem that is relatively shallow and close to the shoreline and that supports an abundance of life
Term
deciduous forest
Definition
a biome that contains many trees and in which rainfall is moderate
Term
open ocean
Definition
a large saltwater ecosystem containing both floating and free swimming organisms
Term
tropical rain forest
Definition
a biome distinguished by lush vegetation, abundant rainfall, and plentiful sunlight
Term
lake
Definition
a freshwater ecosystem characterized by still, or standing water
Term
river
Definition
a freshwater ecosystem characterized by running water
Term
shoreline
Definition
the ecosystem where land and ocean meet
Term
taiga
Definition
a biome that contains many coniferous trees and in which rainfall is moderate
Term
tundra
Definition
a biome characterized by cold temperatures and low precipitation
Term
wetland
Definition
any one of three ecosystems--marsh, swamp, or bog--where land and fresh water meet
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