Term
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Definition
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Term
| What two types of muscles to segmented worms have? |
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Definition
| circular and longitudinal |
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Term
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Definition
| bristles used for movement |
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Term
| What type of body cavity do segmented worms have? |
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Definition
| Coelom – true body cavity |
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Term
| What type of circulatory system do segmented worms have? |
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Definition
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Term
| What type of digestive system do segmented worms have? |
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Definition
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Term
| Segmented worm respiration? |
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Definition
| skin, gills, or parapodia |
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Term
| How many nephridia are there per segment? |
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Definition
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Term
| What type of nervous system do segmented worms have? |
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Definition
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Term
| What type of sensory system do segmented worms have? |
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Definition
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Term
| What type of reproduction do segmented worms have? |
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Definition
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Term
| What is the class of marine worms? |
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Definition
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Term
| What is the class of earth worms? |
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Definition
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Term
| To what class do leeches belong? |
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Definition
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Term
| Where do marine worms live? |
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Definition
| Under rocks and in abandoned shells. |
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Term
| What do marine worms build? |
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Definition
| their own tubes or tunnels |
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Term
| What are on the head of a marine worm? |
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Definition
| sense organs and paired parapodia (appendages) |
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Term
| What do marine worms use to obtain food? |
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Definition
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Term
| Marine worms have 5 types of sense organs. What are they? |
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Definition
Eyes
Tentacles
Sensory palps (antennae)
Chemoreceptive cells
Statocysts (balance) |
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Term
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Definition
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Term
| What is an example of polychaeta (marine worm)? |
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Definition
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Term
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Definition
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Term
| What phylum do segmented worms belong to? |
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Definition
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Term
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Definition
| Band 1/3 way down an earth worm's body,secretes cocoon |
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Term
|
Definition
wave like contractions
Circular muscles lengthen
Longitudinal muscles shorten |
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Term
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Definition
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Term
| Name the 7 parts of the earth worm digestive tract. |
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Definition
Step 1: Mouth
Step 2: Pharynx
Step 3: Esophagus
Step 4: Crop (stores food)
Step 5: Gizzard (grinds food)
Step 6: Intestine
Step 7: Anus |
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Term
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Definition
| folding of intestine (creates more surface area) |
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Term
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Definition
| secrete calcium ions into the gut to regulate the amount of calcium in the blood |
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Term
| How much of the earth worm digestive tract is intestine? |
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Definition
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Term
| What does the dorsal blood vessel in an earth worm do? |
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Definition
| Returns blood back to the anterior portion |
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Term
| Where is the heart found in an earth worm? |
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Definition
| over the esophagus (aortic arches) |
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Term
| What blood vessel is opposite the dorsal blood vessel in an earth worm? |
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Definition
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Term
|
Definition
| pigment in earth worm blood |
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Term
| How does an earth worm and leech breathe? |
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Definition
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Term
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Definition
| Used for excretion in earth worms. There are 2 per segment. |
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Term
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Definition
| funnel shaped organ (receives waste) |
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Term
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Definition
| surround blood vessels (remove waste from blood) |
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Term
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Definition
| opening to exterior through which waste passes |
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Term
| What does an earth worm produce as waste? |
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Definition
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Term
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Definition
| Regulation of water and salt using the skin and nephridia |
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Term
| What segment is the brain in in an earth worm? |
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Definition
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Term
|
Definition
| masses of tissue containing nerve cells |
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Term
| What kind of receptors do earth worms have in their skin? |
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Definition
| photoreceptors and chemoreceptors |
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|
Term
| Can earth worms and leeches sense touch? |
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Definition
|
|
Term
| Where are earth worm eggs fertilized? |
|
Definition
| In a cocoon, smaller than a grain of rice. |
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Term
| What class do leeches belong to? |
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Definition
|
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Term
| How many suckers and brains do leeches have? |
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Definition
|
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Term
| Where are the suckers and brains on leeches located? |
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Definition
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Term
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Definition
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Term
| What are the parts of a leech's digestive tract? |
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Definition
| mouth, proboscis, intestine, cecum, anus |
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Term
| Are leeches monoecious or dioecious or both? |
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Definition
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