Extinction, Miss English

Front

What is a mass extinction?

Back

When multiple species from all over the earth suddenly go extinct

Front

What event marks the end of each geologic era?

Back

mass extinction

Front

Which is LEAST LIKELY to push a species toward extinction? Options: a. Cutting down entire forest, b. Putting animals in a zoo, c. Polluting mountain streams, d. Introducing new species to an ecosystem with no known natural predator

Back

Putting animals in a zoo

Front

Humans are causing extinction in which ways? Options: By over hunting animals for food or products., By destroying the natural habitat of species., By polluting the environments of the world., All of the above.

Back

All of the above.

Front

How can you help prevent extinctions? Options: By not polluting our environment., By protecting sensitive habitats and species., By not eating or buying products from endangered animals., All of the above.

Back

All of the above.

Front

Which of the following was a natural factor that caused extinctions? Options: Over harvesting, Changes in the oxygen levels, Pollution, Habitat destruction

Back

Changes in the oxygen levels

Front

When NO members of a species are left, this is an example of____________________________.

Back

Extinction

Front

There have been at least _____ mass extinction events in Earth's history.

Back

5

Front

Where is the extinction capital of the world?

Back

Hawai'i

Front

What do most scientists think caused the mass extinction of dinosaurs and other organisms at the end of the Cretaceous period? Options: an object from space (an asteroid or comet) struck Earth, volcanic eruptions covered large areas with lava, an ice age covered most of Earth with ice, The dinosaurs ate too many other organisms and then starved

Back

an object from space (an asteroid or comet) struck Earth