Review of earthworm structures and functions

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Presentation transcript:

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

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

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

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

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

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

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

WHICH STRUCTURE? Connects the pharnyx to the crop.

WHICH STRUCTURE? Connects the pharnyx to the crop. ESOPHAGUS

WHICH STRUCTURE? Contract and function as hearts.

WHICH STRUCTURE? Contract and function as hearts. AORTIC ARCHES

WHICH STRUCTURE? Removes liquid waste from the body cavity.

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

WHICH STRUCTURE? Used to swallow food.

WHICH STRUCTURE? Used to swallow food. PHARYNX

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

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

WHICH STRUCTURE? Carries blood forward to the hearts.

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

WHICH STRUCTURE? Act as the worm’s brain.

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

WHICH STRUCTURE? Store sperm.

WHICH STRUCTURE? Store sperm. SEMINAL VESICLES

WHICH STRUCTURE? Where food enters the body.

WHICH STRUCTURE? Where food enters the body. MOUTH

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

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

WHICH STRUCTURE? Produces eggs.

WHICH STRUCTURE? Produces eggs. OVARIES

WHICH STRUCTURE? Where solid waste exits the body.

WHICH STRUCTURE? Where solid waste exits the body. ANUS

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

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

WHICH STRUCTURE? Receive sperm from another worm.

WHICH STRUCTURE? Receive sperm from another worm. SEMINAL RECEPTACLES

WHICH STRUCTURE? Where digestion occurs.

WHICH STRUCTURE? Where digestion occurs. INTESTINE

WHICH STRUCTURE? Stores food until it is digested.

WHICH STRUCTURE? Stores food until it is digested. CROP