Science Page 2

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julia1
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220315
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Science Page 2
Updated:
2013-05-19 22:00:55
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Science Page
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Science Page 2
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  1. What is an animal called whose temperature remains constant and doesn't change?
    warm-blooded
  2. The simplest invertebrate.  It's body has not symmetry.  It has only 2 cell layers.  It filters the water trapping tiny food particles.  m
    Sponge
  3. An animal that shoots poison darts.  They have poison stingers on theri tentacles used to catch prey or protect themselves.  They have radial symmetry, a mount and simple tissues.
    Cnidarians
  4. More complex than the sponge and cnidarians.  They have flat ribbonlike bodies with a head and tail.  They have vilateral symmetry and 3-cell layers.
    flatworms
  5. they have a slender rounded body with pinted ends.  Many of them attach themselves to a plant or animal for food.  The food goes in through one hole in the body and the waste comes out of a hole in the opposite end.
    roundworms.
  6. their bodies are divided into sections called segments.  They have a 3-layer body with bilateral symmetry.  They have a digestive system with two openings.
    sebmented worms.
  7. soft-bodied invertebrates with a seashell.  Some of them have internal shell-line structures.
    mollusks
  8. a spiny-skinned animal usually with a star design.  They have an endoskeleton usually with protective spines and tiny tube feet with suctions
    echinoderms
  9. The largest of an animal phyla.  They have jointed legs and the body is divided into sections.  They have a hard skeleton on the outside of the body called an exoskeleton.
    anthropods.
  10. Name at least 4 different types of phyla's
    • 1.  sponge
    • 2.  cnidarians
    • 3.  flatworms
    • 4.  roundworms
    • 5. segmented worms
    • 6. echinoderms
    • 7.  mollusks
    • 8. anthropods
  11. spends part of its life in water and part on land.  They are coldblooded.  Their skin is usually damp and will dry out without water.  They're found in wet or damp places.
    amphibians
  12. name 3 amphibians
    • 1. frogs
    • 2. toads
    • 3. Salamanders
  13. dry scales on the scale or large plates.  Strong waterproof skin to help it live on land.  They are cold-blooded.  Their skin keeps water from escaping out of their body.  They lay eggs with a tougher shell than an amphibian.
    reptiles
  14. give examples of reptiles
    • 1. turtles
    • 2. lizards
    • 3. snakes
    • 4. alligators
    • 5. crocodiles
  15. they are covered with feathers, have beaks, no teeth, two legs with clawed feet and wings.  They are warm-blooded.  They lay eggs with hard shells and keep thier eggs warm until they hatch
    birds
  16. They are warm-blooded.  They have hair, can learn, female mammals produce milk to feed their young.
    mammals

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