Invasive Species

What is a NON-NATIVE species?

• a plant or animal that is in its right place

• a plant or animal that has been moved to a new place where it doesn't belong

• a kind of plant that no animals eat

• a kind of plant or animal that doesn't live anywhere

Tags

NGSS.MS-LS2-5

What is an INVASIVE SPECIES?

• a plant or animal that does harm in its non-native environment

• a plant that lives in the bottom of the ocean

• a plant or animal that lives in its native area

• a plant or animal that doesn't eat anything

How do MOST invasive species get to new areas where they don't naturally belong?

• humans take them accidentally or on purpose

• they ride on the back of sea turtles from one country to another

• they get blown by the wind to a new location

• they buy a bus ticket and travel there themselves

How do zebra mussels cause harm?

• they eat up all the fish in the lake

• they don't cause harm

• they can clog up pipes and mess up the outside of ships

• they poison the fish

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If a new, NON-NATIVE species that eats rabbits was introduced into this food chain, what would probably happen?

• the population of rabbits would increase

• the population of eagles would increase

• the population of eagles would decrease

• there would be less sunlight

Answer explanation

If a new animal started eating the rabbits, there would be less rabbits.

Also, the eagle eats rabbits, too, so there would less food for the eagle, and there would be less eagles, too.

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Which statement about invasive species is true?

• they can help the food web get better

• they reproduce quickly

• lots of animals eat them

• they get killed off quickly

Tags

NGSS.MS-LS2-4

The "ballast" of a ship holds water. Water is TAKEN IN from the ocean and DRAINED OUT into the ocean as the ship travels. What could be a problem with this?

• smaller fish or other organisms could accidently get moved from its home to somewhere it doesn't belong

• nothing is a problem with it

• it could make the water too hot

• it could cause thunderstorms

Tags

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Which of these is a native species in the desert?

• a cow

• a cactus

• a monkey

• an oak tree

Answer explanation

NATIVE means it lives there naturally and belongs there.

What is something that is common to most invasive species?

• they don't have many predators in their new area

• they don't live long

• they can't have babies in the new area

• they can't eat anything in the new area

Choose the TWO (2) statements that are correct.

• DECREASE means to be more of something

• INCREASE means to be more of something

• DECREASE means to be less of something

• INCREASE means to be less of something