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43 Cards in this Set
- Front
- Back
What does the Phylum "Annelida" mean?
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"Little Ring"
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What types of worms fit into the Phylum Annelida?
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Earthworms, sea worms, and leeches
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What can Annelida be nutrition-wise? (Ex. Herbivore, Scavenger, Predator, etc.)
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Range from Filter-feeders to predators
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Where does food enter an earthworm?
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Through the mouth
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Where does food go after it has entered the mouth of an earthworm?
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Esophagus
(eso-phag-us) |
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What is the food-storage department of an earthworm called after the food leaves the esophagus?
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The Crop
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After food in an Earthworm leaves the crop (storage compartment), where does the food go for mechanical grinding?
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Gizzard
(Giz-ard) |
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Where does food exit an earthworm after it has left the gizzard (place where mechanical grinding occurs)?
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The Anus
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How do MOST types of Annelids reproduce?
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Sexually
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What gender are earthworms?
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They are hermaphroditic
(Herma-ph-rod-i-tic) |
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What type of fertilization do Annelids use?
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External and Internal fertilization
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What reproductive structure do earthworms have which create a mucus ring in which the egg and sperm are released?
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Clitellum
(Cli-tell-um) |
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What organ in an earthworm creates a mucus ring around it?
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The Clitellum
(Cli-tell-um) |
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What two things do Annelids use to move?
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- Muscles
- Hydrostatic Skeleton |
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What "paddle-like appendages" do aquatic annelids have that help them to swim or crawl?
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Parapodia
(Para-pod-ia) |
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What is a fleshy dividing wall between each segment of an annelid?
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Septa (Singular because there is only one wall; NOT setae, the bristles)
(Sep-ta) **There are really many walls, but think of them as singular |
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Where do earthworms breath?
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Through the skin or gills
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What type of circulatory system do annelids have?
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A closed-circulatory system
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What are the bristles on the sides of annelids called that they use for motion and anchoring themselves?
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Setae (Plural because there are many bristles; NOT septa, the dividing walls.
(Set-ae) |
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What type of digestive system do Annelids have?
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A digestive tract (**Probably important..)
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What type of "Coelom-layout" do Annelids have?
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A True-Coelom (fluid filled cavity surrounded by mesoderm)
(Coe-lom) |
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What does an Annelid's digestive system comprise of?
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A mouth, anus, and digestive tract
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What type of organ-systems do Annelids have?
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Complex-organ systems
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What "class" does an earthworm belong to?
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Ogliochaetes
(Og-lio-chae-tes) |
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What type of parasites are leeches?
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External parasites
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What "class" does a sea-mouse belong to?
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Polychaetes
(Poly-chae-tes) |
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What appendages do aquatic annelids/polychaetes have to help them move?
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Parapodia
(Para-pod-ia) |
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What does "Mollusca" mean?
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"Soft-body"
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What are the three groups of in the Phylum Mollusca?
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Gastropods, Bivalves, Cephalopods
(Gastro-pods) (Bi-val-ves) (Cep-halo-pods) |
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What animals go in the group of Mollusca "Gastropods"?
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Snails and slugs
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What animals go in the group of Mollusca "Bivalves"?
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Clams, oysters, mussels, and scalops
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What animals go in the group of Mollusca "Cephalopods"?
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Squid, octopi, cuttlefish, and nautilus
(Nau-til-us) (Cuttle-fish) |
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What do snails use to scrape food off the surface of a material? (Can also be used as harpoon or drill)
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Radula
(Rad-ula) |
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What are the three things a radula can be used as?
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- A tongue-like structure
- a harpoon - a drill (for eating other mollusks) |
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What kind of fertilization do Mollusca use?
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Internal and External
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What are the gender of SOME mollusks?
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Hermaphrodite
(herma-phro-dite) |
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How do some mollusks reproduce?
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Sexually
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How do octopi and squid control their movement?
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Jet Propulsion made possible by a Siphon
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What do slugs and snails secrete when they move?
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Mucus (to slide along various surfaces)
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What type of "Coelom-formation" do Mollusca have?
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True-Coeloms
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What type of circulatory-systems do Mollusks have?
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Some have open-circulatory systems, others have closed-circulatory-systems
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What is the body plan of a mollusks called?
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4 Part Body Plan (**Important)
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What are the four things that make up a mollusk?
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- Shell
- Foot - Mantle - Visceral Mass (Vis-ceral) |