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Advanced Invertebrates Digestion, Excretion, Respiration
<ul><li>mollusks </li></ul><ul><ul><li>many mollusks have a radula – scrapes and cuts </li></ul></ul><ul><ul><li>bivalves ...
<ul><li>annelids </li></ul><ul><ul><li>digest organic compound in soil </li></ul></ul><ul><ul><li>have mouth, esophagus, c...
<ul><li>arthropods – crustaceans </li></ul><ul><ul><li>appendages </li></ul></ul><ul><ul><ul><li>maxilla: manipulates food...
<ul><li>arthropods – chelicerates </li></ul><ul><ul><li>appendages </li></ul></ul><ul><ul><ul><li>chelicera (with poison g...
<ul><li>arthropods – uniramians </li></ul><ul><ul><li>appendages </li></ul></ul><ul><ul><ul><li>labrum & labium “lips” </l...
<ul><li>echinoderms </li></ul><ul><ul><li>mouth, esophagus, cardiac stomach, pyloric stomach, anus </li></ul></ul><ul><ul>...
Excretion <ul><li>mollusks – nephridia and kidneys </li></ul><ul><li>annelids – nephridia in each segment </li></ul><ul><l...
Respiration <ul><li>mollusks </li></ul><ul><ul><li>aquatic w/ gills </li></ul></ul><ul><ul><li>terrestrial w/ lungs </li><...
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Perry - Advanced Invertebrates DER

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Perry - Advanced Invertebrates DER

  1. 1. Advanced Invertebrates Digestion, Excretion, Respiration
  2. 2. <ul><li>mollusks </li></ul><ul><ul><li>many mollusks have a radula – scrapes and cuts </li></ul></ul><ul><ul><li>bivalves are usually filter feeders </li></ul></ul><ul><ul><li>cephalopods are predators with beak-like jaws </li></ul></ul><ul><ul><li>have mouth, esophagus, stomach, intestine, rectum, anus </li></ul></ul>Feeding & Digestion
  3. 3. <ul><li>annelids </li></ul><ul><ul><li>digest organic compound in soil </li></ul></ul><ul><ul><li>have mouth, esophagus, crop, gizzard, intestine, anus </li></ul></ul>Feeding & Digestion
  4. 4. <ul><li>arthropods – crustaceans </li></ul><ul><ul><li>appendages </li></ul></ul><ul><ul><ul><li>maxilla: manipulates food </li></ul></ul></ul><ul><ul><ul><li>maxillipeds: manipulates food, tastes </li></ul></ul></ul><ul><ul><ul><li>mandibles: chew food </li></ul></ul></ul><ul><ul><ul><li>chelipeds: capture food </li></ul></ul></ul><ul><ul><li>mouth, esophagus, stomach, intestine, anus </li></ul></ul><ul><ul><li>digestive gland </li></ul></ul>Feeding & Digestion
  5. 5. <ul><li>arthropods – chelicerates </li></ul><ul><ul><li>appendages </li></ul></ul><ul><ul><ul><li>chelicera (with poison gland) </li></ul></ul></ul><ul><ul><ul><li>pedipalp: hold and chew </li></ul></ul></ul><ul><ul><li>mouth, stomach, intestine, anus </li></ul></ul><ul><ul><li>digestive gland </li></ul></ul>Feeding & Digestion
  6. 6. <ul><li>arthropods – uniramians </li></ul><ul><ul><li>appendages </li></ul></ul><ul><ul><ul><li>labrum & labium “lips” </li></ul></ul></ul><ul><ul><ul><li>mandibles </li></ul></ul></ul><ul><ul><ul><li>maxilla </li></ul></ul></ul><ul><ul><li>mouth, esophagus, crop, gizzard, gastric ceca, midgut, hindgut, anus </li></ul></ul><ul><ul><li>salivary glands </li></ul></ul>Feeding & Digestion
  7. 7. <ul><li>echinoderms </li></ul><ul><ul><li>mouth, esophagus, cardiac stomach, pyloric stomach, anus </li></ul></ul><ul><ul><li>digestive gland </li></ul></ul>Feeding & Digestion
  8. 8. Excretion <ul><li>mollusks – nephridia and kidneys </li></ul><ul><li>annelids – nephridia in each segment </li></ul><ul><li>arthropods </li></ul><ul><ul><li>crustaceans – green gland for excess water </li></ul></ul><ul><ul><li>chelicerates – Malpighian tubule & coxal gland </li></ul></ul><ul><ul><li>uniramians – Malpighian tubules </li></ul></ul><ul><li>echinoderms – cellular diffusion </li></ul>
  9. 9. Respiration <ul><li>mollusks </li></ul><ul><ul><li>aquatic w/ gills </li></ul></ul><ul><ul><li>terrestrial w/ lungs </li></ul></ul><ul><li>annelids – skin </li></ul><ul><li>arthropods </li></ul><ul><ul><li>crustaceans – gills & exoskeleton </li></ul></ul><ul><ul><li>chelicerates – book lung, spiracles & trachea </li></ul></ul><ul><ul><li>uniramians – spiracles & trachea </li></ul></ul><ul><li>echinoderms – skin gills </li></ul>

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