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Review of earthworm structures and functions

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Presentation on theme: "Review of earthworm structures and functions"— Presentation transcript:

1 Review of earthworm structures and functions
WHICH STRUCTURE? Review of earthworm structures and functions

2 WHICH STRUCTURE? Bristles on each segment that aid in movement.

3 WHICH STRUCTURE? Bristles on each segment that aid in movement. SETAE

4 WHICH STRUCTURE? First body segment that hangs over the mouth.

5 WHICH STRUCTURE? First body segment that hangs over the mouth.
PROSTOMIUM

6 WHICH STRUCTURE? Grinds food to break it down for digestion.

7 WHICH STRUCTURE? Grinds food to break it down for digestion. GIZZARD

8 WHICH STRUCTURE? Connects the pharnyx to the crop.

9 WHICH STRUCTURE? Connects the pharnyx to the crop. ESOPHAGUS

10 WHICH STRUCTURE? Contract and function as hearts.

11 WHICH STRUCTURE? Contract and function as hearts. AORTIC ARCHES

12 WHICH STRUCTURE? Removes liquid waste from the body cavity.

13 WHICH STRUCTURE? Removes liquid waste from the body cavity. NEPHRIDIA

14 WHICH STRUCTURE? Used to swallow food.

15 WHICH STRUCTURE? Used to swallow food. PHARYNX

16 WHICH STRUCTURE? Forms a cocoon for depositing eggs during reproduction.

17 WHICH STRUCTURE? Forms a cocoon for depositing eggs during reproduction. CLITELLUM

18 WHICH STRUCTURE? Carries blood forward to the hearts.

19 WHICH STRUCTURE? Carries blood forward to the hearts.
DORSAL BLOOD VESSEL

20 WHICH STRUCTURE? Act as the worm’s brain.

21 WHICH STRUCTURE? Act as the worm’s brain. GANGLIA

22 WHICH STRUCTURE? Store sperm.

23 WHICH STRUCTURE? Store sperm. SEMINAL VESICLES

24 WHICH STRUCTURE? Where food enters the body.

25 WHICH STRUCTURE? Where food enters the body. MOUTH

26 WHICH STRUCTURE? Carries blood back to the skin and intestines.

27 WHICH STRUCTURE? Carries blood back to the skin and intestines.
VENTRAL BLOOD VESSEL

28 WHICH STRUCTURE? Produces eggs.

29 WHICH STRUCTURE? Produces eggs. OVARIES

30 WHICH STRUCTURE? Where solid waste exits the body.

31 WHICH STRUCTURE? Where solid waste exits the body. ANUS

32 WHICH STRUCTURE? Nerve cells that connect ganglia to worm’s body.

33 WHICH STRUCTURE? Nerve cells that connect ganglia to worm’s body.
VENTRAL NERVE CORD

34 WHICH STRUCTURE? Receive sperm from another worm.

35 WHICH STRUCTURE? Receive sperm from another worm. SEMINAL RECEPTACLES

36 WHICH STRUCTURE? Where digestion occurs.

37 WHICH STRUCTURE? Where digestion occurs. INTESTINE

38 WHICH STRUCTURE? Stores food until it is digested.

39 WHICH STRUCTURE? Stores food until it is digested. CROP


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