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Science Quiz > Ecology > Flashcards

Ecology Flashcards

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Biology 101 flashcards
1
Q

What are the 3 types of population distribution?

A

Random, cluster, and uniform.

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2
Q

Niche definition

A

An organisms role in their community

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3
Q

Name a species and it’s 4 limiting factors.

A

Cottontail rabbit. Density dependent - poor reproduction. Density independent - temperature. Biotic - A suitable habitat. Abiotic - Food

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4
Q

Abiotic defintion

A

The non-living components in an environment.

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5
Q

Biotic definition

A

The living components in an environment.

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6
Q

Habitat defintion

A

The natural home of an organism.

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7
Q

Population definition

A

All individuals of the same species in an ecosystem.

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8
Q

Community definition

A

All living organisms in an ecosystem

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9
Q

Ecosystem defintion

A

All living organisms in an community and how they interact.

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10
Q

Organism definition

A

A single living creature

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11
Q

Ecology definition

A

The study of interactions between organisms and their environment.

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12
Q

Biosphere defintion

A

The entire portion of life that is inhabited by life.

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13
Q

Extinct definition

A

A species that no longer exists.

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14
Q

Endangered definition

A

A species that is facing extinction in the near future.

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15
Q

Extirpated definition

A

Any species that has disappeared in a certain area

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16
Q

Threatened definition

A

A species that is likely to become endangered

17
Q

Biodiversity definition

A

The variety of life on Earth.

18
Q

Invasive species definition

A

An introduced species that causes harm to its new environment.

19
Q

Species definition

A

Living organisms consisting of similar individuals.

20
Q

Carrying capacity definition

A

The maximum an environment can hold of species.

21
Q

How can reintroducing a new species affect biodiversity positively?

A

Reintroduction can increase diversity.

22
Q

Name an invasive species and its 3 negative effects on an ecosystem.

A

Zebra mussels. They filter out algae, blocked water intake and incapacitate native mussels.

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