Evolution and Extinction

What would most likely happen if a bird species had fewer and fewer offspring each year?

• The species would move to another ecosystem.

• There would be too many birds.

• The species would become endangered.

• Predators of the species would increase in number.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

How many mass extinctions have occurred on Earth?

• 3

• 4

• 5

• 6

Tags

NGSS.MS-LS4-1

What % of the species that have every lived are alive today?

• 1%

• 10%

• 50%

• 75%

Tags

NGSS.MS-LS4-1

Which scenario describes an example of extinction?

• Water pollution kills off all the fish that live in a small pond.

• Every individual in a species is killed by hunters or a lack of food.

• The cutting down of a tree forces a bird to build a new nest in another tree.

• A population of deer must move to a new forest when its original habitat is destroyed by fire.

Tags

NGSS.MS-LS4-1

Which of these describes a likely reason why a species would become extinct after a major environmental change?

• The environmental change means fewer predators are around.

• There are more homes for the species in the changed environment.

• The change in the environment opens new resources with less competition.

• There are not enough members of the species born with a trait necessary to survive in the new environment.

Tags

NGSS.MS-LS2-4

NGSS.MS-LS4-4

What do we call a group of individuals that can reproduce successfully in nature?

• species

• order

• speciation

• mom and dad

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-4

When two or more populations no longer successfully reproduce it is called...

• species

• order

• speciation

• a shame

Tags

NGSS.MS-LS4-2

Which are causes of speciation? Choose all that apply

• Isolation caused by mountains, rivers and man-made structures

• preference for different foods

• change in environment

• different mating behaviors

Tags

NGSS.MS-LS1-4

NGSS.MS-LS2-4

When a species failed to adapt or compete it is called

• a shame

• speciation

• background extinction

• mating

Tags

NGSS.MS-LS4-2

Which of the following can cause mass extinctions? Choose 3

• Volcanoes and earthquakes

• climate change

• sea levels rising

• asteroids

Tags

NGSS.MS-LS4-1