European Green Crabs

What is an invasive species?

• An organism that is not native but causes no harm.

• An organism that is native to that area.

• An organism that is not native and causes harm to the environment and economy.

• A scary organism.

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-5

What is a native species?

• An organism that is found in an ecosystem due to only natural processes. They were not brought to an area by humans.

• An organism that traveled from another ecosystem to a new one

• An organism that eats other animals.

• An organism that only eats plants

What year did European Green Crabs come to the USA?

• 1700s

• 1600s

• 2020

• 1900s

European Green Crabs can be identified by their ____________ Spines.

Which of the following species are a NATIVE crab species?

• Jonah Crab

• European Green Crab

• Asian Shore Crab

• Chinese Mitten Crab

Where will we be conducting our field study?

• Antarctica

• On a boat in the ocean

• Fortunes Rocks Beach

• At Biddeford Middle School

How many tides do we have in a 24 hour period in Maine?

• 1 tide

• 2 tides (high/low)

• 4 tides (2 high/2 low)

• 6 tides (3 high/ 3 low)

At what tide will we be looking for European Green Crabs?

• Low Tide

• High Tide

What type of substrate makes up Fortunes Rocks Beach?

• Sandy/Rocky Intertidal (Sandy beach with moveable rocks)

• Mudflat (lots of soft mud)

• Salt marsh (lots of grass)

Describe a negative effect European Green Crabs have on the Economy or Ecosystem in Maine.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

NGSS.MS-LS2-5