Invertabrate Biology
Terms
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- What is an Amebocyte??
- An Amebocyte are amoeboid cells in sponges that occut in the matrix between the epidermal and collar cells. They transport nutrients.
- What are Collar Cells??
- Collar Cells are flagellated cells that line the interior of the central cavity of a sponge.
- What is a Filter Feeder??
- Filter Feeders are organisms such as sponges that feed by removing food from water that filterts through their body.
- What is a Gemmule??
- A Gemmule is a reproductive structure in some sponges that remains dormant through the winter and later develops into a new individual
- What is a Hermaphrodite??
- Hermaphrodites have both male and female sexual characteristics and organs.
- What is Nematocysts??
- Nematocysts are the cells at the tip of corals tentacles which "sting" when touched.
- What is a Polyp??
- A polyp is a sessile form of life history in cnidarians.
- What is a Medusa??
- A Medusa is a motile bell-shaped form of body plan in cnidarians.
- What is Regeneration??
- Regeneration is the regrowth of lost tissue of destroyed parts or organs.
- What is Sessile??
- Sessile are organisms that remain attached directly to it's base.
- What is Sponging??
- Sponging is the light, fibrous, flexible, absorbent skeleton of certain of these organisms, used for bathing, cleaning, and other purposes.
- What is a Spicule?
- A Spicule is a needle-shaped skeletal elements in sponges that occur in the matrix between the epidermal and collar cells.
- What is a tentacle??
- A Tentacle is an elongated process or organ, simple or branched.
- What is an Anus??
- An Anus is the posterior opening of the digestive tract.
- What is a cutile?
- A Cuticle is a thin, waxy layer on the outer wall of epidermal cells consisting primarily of wax and cutin.
- What is a Cyst??
- A Cyst is a fluid filled sac.
- What is a Flame Cell??
- A Flame cell is a specialized cell at the blind-end of a nephridium that filters body fluids.
- What is Ganglia??
- Ganglia is a mass of nerve tissue.
- What is a Host??
- a Host is an animal or plant that nourishes and supports a parasite.
- What is a Parasite??
- A Parasite is an organism that lives in, with, or on another organism.
- What is a Pharynx??
- A Pharynx is a passage way between the mouth and the esophagus and trachea.
- What is a proglattid??
- A Proglattid is a reproductive division of a tapeworm.
- What is a Scolex??
- A Scolex is the head of a tapeworm.
- What is an Aortic Arch???
- An Aortic Arch is the part of the aorta leaving the heart, which curves up.
- What is a Chromarophore?
- A Chromatophore is an organelle that contains pigments.
- What is a clitellum??
- A Clitellum is a part of the outside of earthworms that secretes mucus during copulation and a cocoon early in development.
- What is a Crop?
- A Crop is a sac like area in an insect's gut where food is stored before it is digested.
- What is a Gizzard?
- A Gizzard is the muscular stomach in earthworms.
- What is an esophogus??
- An Esophogus is the portion of the gut between the mouth and the stomach.
- What is an excurrent siphon?
- An Excurrent Siphon is an opening that expels the water, cleaned of food and oxygen away from the mussels body,
- What is a foot gill?
- A foot gill takes oxygen out of the water, and helps muscles move.
- What is the Head?
- The head is the uppermost part of the body
- What is incurrent siphon?
- Incurrent Siphon is an opening that brings the oxygen and food containing water in the body.
- What is the mantle?
- The mantle is the upper surface of the back.
- What is nephridia?
- Nephridia is the networks of tubules in some invertebrates that have an excretory system.
- What is an open circulatory sytem?
- An open circulatory system is a circulatory system where blood is not always in vessels.
- What is parapodia?
- Parapodia is the lateral expansion of the foot.
- What is a Radula?
- a Radula is the tooth-lined tongue of a giant squid.
- What is a Seminal Receptacle?
- A seminal receptacle recieves sperm.
- What is a setae?
- A setae is hairlike growths on the body.
- What is visceral mass?
- Visceral mass is the part of the mooluscan body that contains the digestive and reproductive systems.
- What is the abdomen?
- The abdomen is the part of the body that contains the stomach, small intestine, colon, rectum,liver, spleen, pancreas, kidneys, appendix, gallbladder, and bladder.
- What is an antenna?
- An antenna is a long, slender organ or feeler located on the head of on insect.
- What is an antennule?
- An antennule is the foremost of pairs of antennae that occurs in some crustaceans.
- What is a book lung?
- A book lung is the simple type of lung found in spiders.