Term
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Definition
| pore bearing animal; sponge. |
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Term
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Definition
| animals have stinging cells; jellyfish, coral, sea anemone, hydra. |
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Term
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Definition
| flatworms; planaria, fluke, tapeworm. |
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Term
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Definition
| round worms; hookworms, ascaris |
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Term
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Definition
| segmented worms; earthworms, leech. |
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Term
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Definition
soft bodied animals;
gastropod(stomach)- snails, slugs.
cephalopod(head)-octopus, squid, nautilus.
bivalvia(2part)- clam, oyster, scallop, mussel. |
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Term
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Definition
| jointed appendages; insects, spiders, crayfish, lobster. |
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Term
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Definition
| spiny skin; starfish, brittle star, sea urchin, sea cucumber, sand dollar. |
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Term
| What are the 3 types of skeletal systems? |
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Definition
| hydrostatic, exoskeletons, endoskeletons. |
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Term
| Muscles surround a fluid-filled cavity; changes shapes by fluid moving in body. |
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Definition
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Term
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Definition
| a hard body covering made of chitin. |
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Term
| Do invertebrates reproudce sexually or asexually? |
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Definition
| sexually; but they can produce asexually. |
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Term
| What's external fertalization? |
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Definition
| Eggs are fertalized outside of the body. |
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Term
| What's internal fertalization? |
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Definition
| eggs are fertalized inside the body. |
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Term
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Definition
| No distinct arrangement of body parts; sponge. |
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Term
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Definition
| body parts radiate from one central point; Echinodermata, Cnidaria. |
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Term
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Definition
| Divide organism in a sing spot &get a mirror image; Mollusca, Worms, Arthrapods, |
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Term
| Intracellular vs. Extracellular digestion- |
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Definition
intracellular is inside the cell (foodvacuole); sponges, cnidaria.
extracellular is outside the cell but still in an organ; Mollusca, Annelida, Arthropods, Echinodermata. |
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Term
| Incomplete vs. Complete digestive system: |
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Definition
Incomplete you only have one hole; Cnidarians and flatworms have it.
Complete is when you have 2 holesl everything BUT incomplete.
Sponges don't have any. |
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Term
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Definition
| Carry out specific parts of digestion; flatworms, annalieds, mulloscs, arthrapods. |
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Term
| What does the circulatory system do? |
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Definition
| Carries oxygen, water, nutrients to the cells, &removes waste products. |
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Term
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Definition
| materials defuse across the cell membrane with no blood carrying it; |
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Term
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Definition
| blood is not carried within a vessel to every tissue layer. Has a heart &pumps blood into arterys; arthrapods, molluscs. |
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Term
| Closed circulatory system- |
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Definition
| blood stays within vessels as its carried to tissue layers, has a heart; annaelids. |
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Term
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Definition
| removes nitrogen waste products produced when you digest protiens. Invertbrates turn it into uric acid or to ammoneia. |
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Term
| Defusion(excretory system): |
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Definition
| nitrogen moves across cell membrane; sponges, cnidarians, round worms. |
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Term
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Definition
| collect nitrogen waste, the cells are connected to tubes and deposit waste outside the body; flatworms |
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Term
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Definition
| wrap around digestive tract, collect waste and goes into digestive system; arthropods. |
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Term
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Definition
| Coiled tubes that collect waste; annaelids, some molluscs. |
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Term
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Definition
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Term
| 2 Things wanted for respiration: |
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Definition
| Large amount of surface area & mechanisim to keep surface area moist |
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Term
| 2 Main structures used for respiration: |
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Definition
| Gills; Some Arthropods, some Molluscs, some Anaelids. Across the skin; Worms, cnidarians, sponges, and some molluscs. |
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Term
| What lungs do spiders have? |
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Definition
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Term
| What two organs do insects have? |
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Definition
| tracheal tubes, spiracles. |
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Term
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Definition
| nerve cells are concentrated; cnidarians&flatworms. |
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Term
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Definition
| concentration of nerves in the anterior part of the body; any animal with bilateral symmetry. |
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Term
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Definition
| special sensory organs (eyes); planaria, molluscs, arthropods. |
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Term
| 4 Surface areas for bilateral symmetry: |
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Definition
| anterior, posterior, dorsal, ventral. |
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