Invasive Species

What is it called when a species has a negative impact on a ecosystem?

• Negative Species

• Non-Native Species

• Invasive Species

• Native Species

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

Invasive species alter the ecosystem by a ______ in number quickly, this leads to ___ food for the native species.

• increasing less

• decline decreasing

Invasive species grow quickly due to the lack of predators, this leads to a decline or extinction of the native population. True or False?

• False

• True

This invasive species came over in boats from Europe in the 1980's. They harm native fish, clog pipes and ruin beaches.

• Sea Lamprey

• Zebra Mussel

• Asian Carp

• Feral Swine

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 ecosystems in equilibrium.

Tags

NGSS.MS-LS1-5

The primary cause of invasive species introduction is

• too much food

• human actions

• weather events

• asteroids

Tags

NGSS.MS-ESS3-4

Invasive species can have a major impact on the ecosystem.

• True

• False

Invasive species can crowd out native species.

• True

• False

When taken to a new habitat, non-native plants often threaten native plants of the new habitat. Why do they do this?

• Non-native plants are able to mutate rapidly

• Non-native plants cause native animals to relocate

• Non-native plants are able to be used for medicine

• Non-native plants compete with native plants for resources