Molusca and Arthropoda Study Guide:
| Activity of life | Molusca | Arthropoda |
| Traits | · What are five traits for molusca and which is found in all molusca
· What is a trait that both molusca and arthropods have yet round worms do not have? |
· What are 8 traits shared by all arthropoda?
· What is a shared structure or structures that arthropoda and molusca share?
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| Respiration | · What are the breathing structures in molusca? | · What are three organs and strategies for arthropods |
| Regulation | · Which molusca has the most cephalization?
· What are three ways that a molusca can adapt and protect themselves?
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· What are three types of insect learning? |
| Reproduction | · Are molusca hermaphrodite or single sex?
· Why would a left twisting snail find it hard to reproduce? · What structures to squids have for reproduction?
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Why are larvae found in different habitat than adults?
Why do arthropods have such unique mating rituals? |
| Excretion | · Why does nitrogen waste change from ammonia or uric acid to urea in arthropods and molusca | · Where does excretory waste go in a grasshopper |
| Nutrition | · What are the three ways that molusca can get food?
· What is a unique rasping structure in gastropods? · How could a sea snail suck the visceral mass out of a clam? · What structures do squids have to digest food? |
What do grasshoppers eat that makes their blood green and sweat?
Why do insects need to eat so much energy?
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| Growth | · How is a shell made and from what tissue?
· What is a pearl? · How are molusca valueable to humans (3 ways)? · How could squids get to be so big? |
· What is “molting” and why is it dangerous?
· What are the three types of metamorphosis and what are creatures called for complete metamorphosis? · What are 2 disadvantages for molting? |
| Transport | · Do molusca have open or closed circulatory systems? | · What are 4 reasons that the grasshoppers circulatory system is unique? |
| Synthesis | · What is “super glue” and which molusca is it found in? | Which sex makes a spider’s web?
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| Feature Creature | Squid
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Insects and grasshopper |
| Can you label a diagram of a squid? (exterior and interior)
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Can you label a diagram of a grasshopper? (internal and exterior)
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| Vocab | Gladius | |
| Book lung | ||
| Check which phylum features are found. | Visceral mass | |
| Radula | ||
| Think about structure and function. | Compound eye | |
| · Simple eye | ||
| · Pinchers | ||
| · Malpigian tubules | ||
| · Ovipositor | ||
| · Thorax | ||
| · Metathorax | ||
| · Coxa | ||
| · Spiracles | ||
| · Air sacs | ||
| · Gills | ||
| · Mantle | ||
| · Shell | ||
| · Antennae | ||
| · Jointed appendages | ||
| · Pupa | ||
| · Nymph | ||
| · Visceral mass |
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