Invertebrate+Animals

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1. Describe the type of worms that are in Phylum Platyhelminthes. 2. Look up the word __Cephalization__. What does this mean? What does anterior mean? 3. What does __hermaphrodite__ mean? 4. Name the three types of worms in Phylum Platyhelminthes.



5. Tapeworms have a __tegument__, also known as a __cuticl__e. This is what? 6. Tapeworms have hundreds of body segments. What are these body segments called? 7. According to the picture above, what is contained in each of these body segments? 8. Tapeworms are parasitic. Describe what this means? 9. The tapeworm has a __cephalized__ head region. Identify the two things located on its head.

10. Describe how flukes get into ones blood or liver.







11. Describe the type of worms that are in Phylum Nematoda. 12. Round Worms have what type of digestion? Complete or Incomplete? 13. What does __bilateral symmetry__ mean? 14. Round worms are known to be parasitic worms. How might having a protective __cuticle__ help its survival?











15. Name the types of worms in Phylum Annelida, the three examples, and how they are similar and how they are not. 16. Look up and describe what a __closed circulatory system__ is. <span style="color: #1fdbdb; display: block; font-family: Georgia,serif; font-size: 110%; text-align: center;">17. Describe the parts of earthworm's digestive system. (Mouth, Pharynx, Crop, Gizzard, Intestine, Anus) <span style="color: #800080; display: block; font-family: Georgia,serif; font-size: 110%; text-align: center;">18. Earthworms do not have any respiratory organs, like lungs to breathe. What two ways do they get oxygen? <span style="color: #ff9b00; display: block; font-family: Georgia,serif; font-size: 110%; text-align: center;">19. Earthworms have a __clitellum__. Look up this word and describe it. Is it usually closer to the head or anus? <span style="color: #008080; display: block; font-family: Georgia,serif; font-size: 110%; text-align: center;">20. Earthworms have a ganglia and ventral nerve cord. What is a ganglia and what does ventral mean? <span style="color: #008080; display: block; font-family: Georgia,serif; font-size: 110%; text-align: center;">Bonus: How many hearts does the earthworm have?

<span style="display: block; font-family: 'Arial Black',Gadget,sans-serif; font-size: 120%; text-align: center;">[|EARTHWORM PRATICE LAB]

















<span style="color: #0000ff; display: block; font-family: Georgia,serif; font-size: 110%; text-align: center;">1. Identify and describe the three classes found in Phylum Mollusca. <span style="color: #800080; display: block; font-family: Georgia,serif; font-size: 110%; text-align: center;">2. Snails have lungs; what do clams have? <span style="color: #00ff00; display: block; font-family: Georgia,serif; font-size: 110%; text-align: center;">3. Why is a shell important for a clam or snail? <span style="color: #ff0000; display: block; font-family: Georgia,serif; font-size: 110%; text-align: center;">4. Explain what a open circulatory system is and how it is different from a closed system. <span style="color: #808000; display: block; font-family: Georgia,serif; font-size: 110%; text-align: center;">5. What is the difference between a squid and octopus?









<span style="color: #0000ff; display: block; font-family: Georgia,serif; font-size: 110%; text-align: center;">6. Look up the meaning of echinoderm. <span style="color: #800080; display: block; font-family: Georgia,serif; font-size: 110%; text-align: center;">7. If starfish regenerate, is it wise to try and kill them by cutting them up in little pieces? <span style="color: #00ff00; display: block; font-family: Georgia,serif; font-size: 110%; text-align: center;">8. Identify the three examples of echinoderms? <span style="color: #ff0000; display: block; font-family: Georgia,serif; font-size: 110%; text-align: center;">9. Would a starfish or sea cucumber have radial symmetry? Explain. <span style="color: #808000; display: block; font-family: Georgia,serif; font-size: 110%; text-align: center;">10. A starfish has a ventral mouth and a dorsal anus. <span style="color: #808000; display: block; font-family: Georgia,serif; font-size: 110%; text-align: center;">Where is the mouth located? (top or bottom)Where is the anus located? (top or bottom) <span style="color: #808000; display: block; font-family: Georgia,serif; font-size: 110%; text-align: center;">Is this complete or incomplete digestion?

















1 pair of legs per segments

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2 pairs of legs per segments

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<span style="display: block; font-family: 'Comic Sans MS',cursive; text-align: center;">Many spiders will build webs to catch prey but there are lots of spiders who prefer to hunt, and they use their webs for other things. All spiders are born to spin. They don’t need their parents to teach them how. <span style="display: block; font-family: 'Comic Sans MS',cursive; text-align: center;">Spiders that build the circular webs are called Orb-Web spiders. These webs look like bike wheels and are very sticky. These are the webs that trap insects for food. Many of these spiders will build new webs every night. Others will just keep repairing their damaged webs. The spider will sit near the center of the web and wait for insects to land on the web. Some species of Orb-web spiders will weave fancy looking webs. Scientists think that the patterns help birds to see it and avoid flying into it. <span style="display: block; font-family: 'Comic Sans MS',cursive; text-align: center;">The sheet-web is spun horizontally and has special non-sticky lines above it. These lines knock insects down onto the sheet-web where they gets stuck. <span style="display: block; font-family: 'Comic Sans MS',cursive; text-align: center;">Some other spiders spin funnel-webs. These webs are shaped like…you guessed it…funnels. They are wide at the top and get narrower as they go down. The spider hides at the bottom of this web waiting for its prey. <span style="display: block; font-family: 'Comic Sans MS',cursive; text-align: center;">All of these webs are designed to catch food. Since spiders do not have great eyesight, they usually use the vibrations of the web strands to locate their prey. When they do, they rush on over and wrap their victim in silk, turning it around and around until it is covered. Then the spider pokes its fangs into the insect and shoots poison into it, which turns its guts into liquid, the spider then sucks out the liquid. Yuck!

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