Episode 1: Vertebrates and Invertebrates

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Episode 1: Vertebrates and Invertebrates

  1. 1. Ms. Stinn’s Online Tutoring<br />Episode 1: Vertebrates and Invertebrates<br />
  2. 2. What we’ll be reviewing<br />What are vertebrates?<br />What are invertebrates?<br />What is an exoskeleton?<br />What are the 5 main groups of vertebrates?<br />What are some examples of invertebrates?<br />Practice classifying vertebrates<br />
  3. 3. What are vertebrates?<br />We classify organisms based on how they live, as well as their common characteristics. Animals are classified two groups: vertebrates and invertebrates.<br />Vertebrates are animals with backbones, or spines.<br />
  4. 4. What are invertebrates?<br />Invertebrates are animals without backbones, or spines. <br />
  5. 5. What is an exoskeleton?<br />This week, our root of the week is exo- or ex-, meaning “out or away from.”<br />Some invertebrates, like grasshoppers, wear their skeleton on the outside of their bodies. This is called an exoskeleton.<br />An exoskeleton is the support system for the invertebrate, just like a spine. The only difference is that the support system is found outside the organism, not inside!<br />The picture to the right is a discarded exoskeleton of a dragonfly nymph.<br />
  6. 6. What are the 5 main groups of vertebrates?<br />The 5 main groups of vertebrates, or animals with backbones, are: fish, amphibians, reptiles, mammals, and birds.<br />All animals classified in these subgroups are vertebrates.<br />
  7. 7. What are some examples of invertebrates?<br />Some examples of invertebrates are insects, such as: beetles, grasshoppers, and worms; aquatic animals, such as: jellyfish, sea anemones, sponges.<br />
  8. 8. Let’s practice classifying an animal!<br />I have a backbone.<br />I lay eggs.<br />My babies must live in water until they develop lungs, then they may live outside of water.<br />What am I?<br />An amphibian because amphibians lay eggs in water and their babies’ lungs develop like tadpoles becoming frogs.<br />
  9. 9. Visit Sheppard Software for more practice!<br />

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