Squid, Crayfish, Earthworm, & Clam Anatomy (Lab 6)

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Last updated 4:07 PM on 8/29/26

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44 Terms

1

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<p>What is this internal part of the squid?</p>

What is this internal part of the squid?

Mouth

2

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<p>What is this internal part of the squid?</p>

What is this internal part of the squid?

Intestine

3

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<p>What is this internal part of the squid?</p>

What is this internal part of the squid?

Ink sac

4

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<p>What is this internal part of the squid?</p>

What is this internal part of the squid?

Gill

5

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<p>What is this internal part of the squid?</p>

What is this internal part of the squid?

Branchial heart

6

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<p>What is this internal part of the squid?</p>

What is this internal part of the squid?

Heart

7

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<p>What is this internal part of the squid?</p>

What is this internal part of the squid?

Stomach

8

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<p>What is 1? (external squid anatomy)</p>

What is 1? (external squid anatomy)

Arms

9

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<p>What is 2? (external squid anatomy)</p>

What is 2? (external squid anatomy)

Eye

10

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<p>What is 3? (external squid anatomy)</p>

What is 3? (external squid anatomy)

Sucker

11

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<p>What is 4? (external squid anatomy)</p>

What is 4? (external squid anatomy)

Fin

12

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<p>What is 5? (external squid anatomy)</p>

What is 5? (external squid anatomy)

Mantle

13

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<p>What is 6? (external squid anatomy)</p>

What is 6? (external squid anatomy)

Siphon

14

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<p>What is 7? (external squid anatomy)</p>

What is 7? (external squid anatomy)

Tentacle

15

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<p>Are the circled crayfish male or female?</p>

Are the circled crayfish male or female?

Male

16

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<p>Are the circled crayfish male or female?</p>

Are the circled crayfish male or female?

Female

17

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<p>What are circled?</p>

What are circled?

Female seminal receptacles

18

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<p>What are circled?</p>

What are circled?

Female swimmerets

19

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<p>What are circled?</p>

What are circled?

Male copulatory/first swimmerets

20

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<p>What are circled?</p>

What are circled?

Male swimmerets

21

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<p>What are circled? (they’re on both male and female crayfish but some I couldn’t circle b/c they aren’t visible)</p>

What are circled? (they’re on both male and female crayfish but some I couldn’t circle b/c they aren’t visible)

Uropods

22

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<p>What are circled? (they’re on both male and female crayfish but some I couldn’t circle b/c they aren’t visible)</p>

What are circled? (they’re on both male and female crayfish but some I couldn’t circle b/c they aren’t visible)

Telson (in the middle)

23

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<p>What is circled on this earthworm?</p>

What is circled on this earthworm?

Clitellum

24

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<p>Which side is anterior? Which is posterior?</p>

Which side is anterior? Which is posterior?

Left side = posterior

Right side = anterior (closer to clitellum)

25

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<p>What is circled on this earthworm?</p>

What is circled on this earthworm?

Mouth

26

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<p>What is circled on this earthworm?</p>

What is circled on this earthworm?

Anus

27

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<p>What are the hairy bristles on earthworms? (it’s not visible in this picture sorry!)</p>

What are the hairy bristles on earthworms? (it’s not visible in this picture sorry!)

Setae

28

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<p>What is circled on this internal earthworm model?</p>

What is circled on this internal earthworm model?

Pharynx

29

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<p>What is circled on this internal earthworm model? (you may have to scroll to see it)</p>

What is circled on this internal earthworm model? (you may have to scroll to see it)

Crop

30

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<p>What is circled on this internal earthworm model? (you may have to scroll to see it)</p>

What is circled on this internal earthworm model? (you may have to scroll to see it)

Gizzard

31

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<p>What is circled on this internal earthworm model? (you may have to scroll to see it)</p>

What is circled on this internal earthworm model? (you may have to scroll to see it)

Intestine

32

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<p>What is circled on this internal earthworm model? (the layers/ridges)</p>

What is circled on this internal earthworm model? (the layers/ridges)

Septa

33

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<p>What is 1 in this clam?</p>

What is 1 in this clam?

Gill

34

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<p>What is 2 in this clam?</p>

What is 2 in this clam?

Visceral mass

35

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<p>What is 3 in this clam?</p>

What is 3 in this clam?

Mantle

36

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<p>What is 4 in this clam?</p>

What is 4 in this clam?

Adductor muscle

37

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<p>What is 5 in this clam?</p>

What is 5 in this clam?

Adductor muscle

38

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<p>What is 6 in this clam?</p>

What is 6 in this clam?

Adductor muscle

39

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<p>What is 7 in this clam?</p>

What is 7 in this clam?

Siphon

40

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<p>What is 8 in this clam?</p>

What is 8 in this clam?

Siphon

41

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<p>What is 9 in this clam?</p>

What is 9 in this clam?

Foot

42

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<p>If the umbo is on the right side, which side is anterior and which is posterior?</p>

If the umbo is on the right side, which side is anterior and which is posterior?

Left = posterior

Right = anterior (umbo is on this side)

43

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<p>What is the question mark?</p>

What is the question mark?

Umbo

44

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<p>Which side is anterior? Which is posterior?</p>

Which side is anterior? Which is posterior?

Left = anterior (umbo is on this side)

Right = posterior