Ecosystems

A system made up of organisms interacting with one another

• biology
• abiotic
• biotic
• ecosystem

Tags

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Nonliving things found in an ecosystem.

• oak tree, maple tree, tulips

• wolves, bears, squirrels

• polar bear, seals, white fox

• soil and rocks

A group of the same type of organisms living in the same place at the same time.

• threatened species
• populations
• community
• limiting factor

Tags

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All of the populations that live in one area together

• limiting factors

• populations

• community

• speed limit

Tags

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A species that is in danger of becoming extinct.

• Threatened species
• out of luck
• do do birds
• endangered species

Tags

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Rainy, cloudy, and windy are examples of:

• weather

• climate

Deserts, forests, and grasslands are all examples of ________.

• vacation spots

• tundra

• ecosystems

• wetlands

Ecosystems are always______.

• always changing
• always balanced
• never changing
• never balanced

Tags

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When you visit a country near the equator you will not take a:

• bikini

• gloves and a scarf

• sun glasses

• sandals

A species is closer to extinction if it is _________.

• counted by scientists
• in national geographic
• classified as threatened
• classified as endangered