Sea Lamprey Invader

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

• too much food.

• human action.

• weather events.

• asteroids.

Tags

NGSS.MS-ESS3-4

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

• True

• False

Tags

NGSS.MS-LS2-5

Invasive species --- [choose 3]

• take over the habitat of other organisms.

• increases the populations of native organisms.

• decrease biodiversity.

• increase biodiversity.

• cause the populations of native organisms to decrease.

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

TRUE or FALSE? Invasive species can be introduced to an ecosystem intentionally.

• True

• False

Tags

NGSS.MS-LS2-5

Describe the population trends for the sea lamprey from 1944-1952.

• The sea lamprey population is decreasing.

• The sea lamprey population is increasing.

• The sea lamprey population is stable. 

• There is not enough data to identify a trend.

Tags

(MS-LS2-4)

Why do you think the chub population was increasing between 1965 and 1970?

• Chub is increasing because the sea lamprey is eating its predator, the trout. Fewer things are eating the chub.

   

• Chub is increasing because the sea lamprey is eating it.

• Chub is decreasing because the sea lamprey is eating its predator, the trout. 

• Chub is decreasing because the trout are eating too much of it.

Tags

(MS-LS2-4)

What makes a species “invasive”? 

• A species is invasive if it is moved into a different area.

• A species is invasive if it is moved into a new area and negatively affects species that are native to the area.

• A species is invasive if it stays in the area where it originated.

• A species is invasive if it stays in the area where it originated and harms other species.

Tags

MS-LS2-5

What is the primary method by which sea lampreys were introduced to the Great Lakes?

• Through ballast water from ships

• By migrating through canals

• Via intentional release for fishing

• Through natural river systems

TRUE or FALSE? Sea lampreys are native to the Great Lakes ecosystem.

• True

• False

Which of the following is a significant impact of sea lamprey invasion in the Great Lakes?

• Increased fish biodiversity

• Decline in native fish populations

• Improved water quality

• Enhanced recreational fishing

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4