ecology 4 &5

What does biodiversity mean?

• Only one species in an area.
• The different amount of species in an area
• All abiotic life
• Nitrogen fixation

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Why is biodiversity so important?

• Because all species depend on each other to survive, so if one becomes extinct another species that relies on it could go extinct as well
• Because it’s better to have only one variation of each species.
• Because it better to only have a few species on Earth.
• Honestly, I have no idea what biodiversity is!

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The role or function or job of a species in a community.

• habitat
• diet
• niche
• ecosystem

An ecosystem that has a high level of _______ is able to fill all of its niches.

• salt water

• carbon dioxide

• biodiversity

• pollution

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A species that plays a critical role in the health, maintenance, growth, or definition of an ecosystem.

• keystone

• invasive

• engineer

• predator

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What is a community?

• A group of different species that live in a common location

• Where all the same species live together

• Where animals go to socialize with other animals

• A popular tv Show

What is Ecology?

• The study of the relations between organisms to one another and to their physical environment

• The study of the relations between plants and animals

• The study of the relations between humans and the earth

• The study of the relations between plants and humans

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What is Biodiversity?

• The study of life

• A living organism

• The variety of life on Earth

• A non living organism

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Cattle egrets forage (feed) in fields among cattle. The egret gets easy access to flying insects stirred up by the cattle, and the cattle don't care if they are there or not.

• mutualism
• commensalism
• competition
• parasitism

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A tapeworm lives in the intestine of a cat absorbing nutrients through its skin. A tapeworm and a cat have this type of relationship.

• mutualism

• parasitism

• commensalism

• competition

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