Extinction

Extinction

Multiple Choice

What is the units for volume

• kg

• kj

• cm3

Multiple Choice

What is the female gamete called?

• Egg

• Ovary

• Womb

Multiple Choice

What could you use to measure the mass of some rock salt?

• Tape measure

• Balance

• Measuring Cylinder

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Extinction

A species becomes extinct when the last individual of that species dies.

How Extinction Happens

Animals that have not adapted well to their environment are less likely to survive and reproduce than those that are well adapted. This can lead to extinction.

Several factors can cause a species to become extinct. They include:

• new diseases

• new predators

• changes to the environment over geological time - Such as climate change

Multiple Choice

What is Extinction

• When there is none of a species left

• When there is only a few of a species left

• When there is lots of a species left

Multiple Choice

How does Extinction Happen

• An animal is well adapted to it's environment

• An animal isn't adapted to it's environment anymore

Multiple Choice

Which of these is not a reason for extinction

• New Predators

• New Diseases

• New Food

Extinct Animals 2019

Endangered Animals

When there isn't many left

Red Wolf

35!

Blue Whales

10,000-25,000

Asian Elephant 40,000-50,000

Siberian Tigers

3900

Giant Pandas

1864

Multiple Choice

Use the graph - Which animal has the smallest number of animals left?

• Tiger

• Chimpanzee

• Rothschild Giraffe

• White Rhino

Multiple Choice

Use the graph - Which century had the most extinction?

• 1800s

• 1900s

• 2000s

Multiple Choice

Use the graph - As the years are increasing what is happening to the number of wolfs in yellowstone?

• The number of wolfs is increasing

• The number of wolfs is decreasing

• The number of wolfs is staying the same

Multiple Choice

Use the graph - What has more extinctions every year

• Plantae

• animalia

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