Invertebrates- Molluscs Flashcards

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1
Q

What are molluscs?

A

They are soft-bodied animals such as snails. They fall under the group of invertebrates.

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2
Q

Choose the correct answer: Molluscs are known for their tough skin/soft bodies/ hard shells.

A

soft bodies, hard shells.

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3
Q

Molluscs usually have a ____ and a ____ region and the body is _____ covered by a ____ _____.

A

foot, head, often, hard shell. E.g: snail.

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4
Q

Where do molluscs live on Earth in general?

A

They usually live in the sea.

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5
Q

How big are molluscs?

A

They range from species that are microscopic to massive.

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6
Q

Do molluscs have shells? If so, what types of shells do they have?

A

Yup. They can have an internal or external shell.

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7
Q

What is a mantle?

A

A mantle is a fold of the body wall that secretes the shell.

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8
Q

How many legs do molluscs have?
Do they have legs?
If not, what type of ‘leg’ do they have?

A

0 legs.
Nope. Shame.
They have a muscular foot (think snail) and/or tentacles.

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9
Q

How do molluscs digest food?

A

They have a radula, a toothed structure in the mouth which grates food.

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10
Q

Do molluscs have wings? If so, how many?

A

No and 0. Ha.

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11
Q

Do molluscs have gills? If so, how many?

A

Yup, 2 gills.

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