Human Impact on Ecosystems

The largest threat to biodiversity is

• bacteria

• humans

• fungi

• plants

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-5

The breaking of habitats into smaller pieces is called _______.

• habitat breaking

• habitat pollution

• habitat destruction

• habitat fragmentation

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Why is habitat fragmentation hazardous to animals?

• Habitat fragmentation does not pose a threat to animals

• Habitat fragmentation causes loss of habitat for many organisms

• Habitat fragmentation destroys an entire habitat

• Habitat fragmentation kills animals

Tags

NGSS.MS-LS2-4

Which threat to biodiversity causes all of the others?

• population growth

• pollution

• habitat destruction

• invasive species

Tags

NGSS.MS-ESS3-4

How does plastic effect sea life?

• Plastic has no effect on sea life (neutral)

• Plastic provides habitats for sea life (positive)

• Plastic is often mistaken for food by sea life (negative)

Tags

NGSS.MS-LS2-4

Pollution causes harm to ...

• land

• water

• air

• all of these

Tags

NGSS.MS-ESS3-3

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

What is the main way that invasive species get introduced to a new area?

• too much food

• human actions

• weather events

• moving there

What is the major cause for air pollution? 

• factories and cars

• cigarretes 

• deforestation

• oil spills

If the population of a certain predator increases, the population of its prey often _______.

• decreases

• increases

• does not change

• moves

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Which of the following is NOT a possible result of DECREASING biodiversity?

• increased ecosystem stability

• extinctions

• loss of natural resources

• loss of potential foods & medicines

Tags

NGSS.MS-LS2-5