Extinction Of Species Flashcards

(10 cards)

1
Q

What is extinction?

A

The permanent loss of a species from Earth.

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2
Q

True or False: Extinction can occur naturally.

A

True

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3
Q

Fill in the blank: The current rate of extinction is estimated to be _____ times higher than the natural background rate.

A

1000

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4
Q

What are the primary causes of species extinction?

A

Habitat destruction, climate change, pollution, overfishing, and invasive species.

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5
Q

Multiple Choice: Which of the following is NOT a direct cause of extinction? A) Habitat loss B) Climate change C) Natural selection D) Pollution

A

C) Natural selection

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6
Q

What is the term for species that are at risk of extinction in the near future?

A

Endangered species

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7
Q

True or False: The IUCN Red List is a system that assesses the conservation status of species.

A

True

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8
Q

What human activity is the most significant driver of extinction?

A

Deforestation and habitat destruction.

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9
Q

Fill in the blank: The passenger pigeon was declared extinct in the year _____ due to overhunting.

A

1914

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10
Q

Short answer: Name one successful conservation effort that has helped prevent extinction.

A

Captive breeding programs.

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