Applied Biology - Earthworm Anatomy

Digestive system sac in which earthworms store ingested soil.

Grinds up food.

Excretory structures in earthworms in each body segment.

<p>Secrete a fluid rich in sugar that nourishes and helps sperm move.</p> Signup and view all the answers

<p>Receive sperm from another worm.</p> Signup and view all the answers

<p>Liplike covering over the mouth of the worm.</p> Signup and view all the answers

<p>Band of thickened, specialized segments in annelids that secretes a mucus ring.</p> Signup and view all the answers

<p>Protects the organism and keeps it moist.</p> Signup and view all the answers

<p>Bristle-like structures that help segmented worms move.</p> Signup and view all the answers

<p>Heart-like pumping organs of earthworms.</p> Signup and view all the answers

<p>A common passageway for solid food, liquids, and air.</p> Signup and view all the answers

<p>Carries blood toward the head of the earthworm.</p> Signup and view all the answers

<p>Carries nerve impulses.</p> Signup and view all the answers

<p>A circulatory system in which blood moves only within a connected network of tubes called blood vessels.</p> Signup and view all the answers

<p>A circulatory system that allows blood to flow out of the blood vessels and into various body cavities.</p> Signup and view all the answers

<p>Type of fertilization that occurs when sperm and egg combine inside an animal's body.</p> Signup and view all the answers

<p>Eggs shed by the female are fertilized by sperm in the external environment.</p> Signup and view all the answers

<p>Toward the front.</p> Signup and view all the answers

<p>Toward the back.</p> Signup and view all the answers

<p>Two worms line up inverted from each other to exchange sperm.</p> Signup and view all the answers

<p>Earthworms have a closed circulatory system that circulates blood exclusively through vessels.</p> Signup and view all the answers

<p>They breathe through their skin.</p> Signup and view all the answers