Biodiversity & Human Impact

Why do the populations of invasive species grow so quickly?

• Invasive species are native to an area

• Invasive species are prey to many animals

• Invasive species have no predators

• Invasive species keep the ecosystem in equilibrium

Tags

NGSS.MS-LS2-4

NGSS.MS-LS4-4

Invasive species alter the ecosystem by ______ in number quickly. This leads to ______ food for the native species.

• increasing, less

• increasing, more

• decreasing, less

• decreasing, more

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which of these words does NOT describe an invasive species?

• Alien

• Intruder

• Non-native

• Natural

TRUE or FALSE? Invasive species can be introduced to an ecosystem accidentally/

• True

• False

TRUE or FALSE? Invasive species can be introduced to an ecosystem intentionally (on purpose).

• True

• False

Tags

NGSS.MS-LS2-5

Invasive plants compete with native plants for --- [choose 3]

• sunlight

• water

• oxygen

• space

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

TRUE or FALSE? Invasive species grow quickly due to the lack of predators. This leads to a decline or extinction of the native population.

• True

• False

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

NGSS.MS-LS2-5

The primary cause of the introduction of invasive species is ---

• too much food

• humans bringing them over

• weather events

• asteroids

Tags

NGSS.MS-ESS3-4

What is an invasive species?

• A native (naturally found) species which are added to an area

• A non-native (not naturally found) species added to an area

• A keystone species in an environment

• none of the above

Tags

NGSS.MS-LS2-5

A native species is

• a species that lives in the region where it evolved.

• a species that came from ancient ecosystems

• a species that can out produce other species

• a species that was brought to a region by people

Tags

NGSS.MS-LS2-5