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Science: Unit 6 > Mollusks > Flashcards

Mollusks Flashcards

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Biology 101 flashcards
1
Q

What are the three mollusk groups ?

A

Bivalves , Cephalopoda and Gastropods

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2
Q

What is an example of bivalves ?

A

Scallops clams oysters mussels

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3
Q

How do bivalves get food?

A

They are filter feeders so the use their sticky gills to capture tony food particles and cilia

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4
Q

Define foot

A

A large muscle that is used for movement

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5
Q

Define mantel

A

A thin layer of tissue that produces the shell

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6
Q

How do bivalves reproduce?

A

They reproduce sexually through fertilization

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7
Q

Define Gastropods

A

Stomach foot

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8
Q

What is an example of Gastropods

A

Slugs and snails

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9
Q

Where do Gastropods live?

A

They can live in and on water, or on land

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10
Q

What are the different diets of Gastropods

A

Herbivore scavenger carnivore

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11
Q

Define hermaphrodites

A

Animals that produce egg and sperm

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12
Q

How do Gastropods reproduce ?

A

They are hermaphrodites and reproduce sexually

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13
Q

What type of circulatory system do Gastropods have?

A

They have open circulatory systems

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14
Q

What type of digestive system do Gastropods have?

A

2 opening one way digestive system

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15
Q

How do Gastropods eat?

A

With their radula

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16
Q

Define radula

A

Mini chainsaw in mouth

17
Q

Define Cephalopods

A

Head foot

18
Q

What is an example of a cephalopod ?

A

Squid, octopus and nautilus

19
Q

Where are the tentacles on Cephalopods and what is on the tentacles?

A

The tentacles have suction cups and sometimes hooks on them, and can be found arranged around the mouth

20
Q

What do Cephalopods use to eat?

A

The use their beaks, which have a radial inside

21
Q

How do Cephalopods move?

A

They use jet propulsion

22
Q

How do Cephalopods protect themselves?

A

They protect themselves with tentacles and or ink sacks

23
Q

What type of consumer are Cephalopods and how do they eat?

A

They are carnivores and use their tentacles to catch food and their beaks to eat

24
Q

How do Cephalopods reproduce

A

They have male and female sexes and reproduce sexually

25
Q

What type of digestive system do Cephalopods have?

A

A 2 opening on way digestive system

26
Q

Define mollusk

A

A soft bodied organism with usually 1 or 2 shells a foot and a mantel

Science: Unit 6 (3 decks)

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