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Science Chapter 11
| Question | Answer |
|---|---|
| What are the three classes of fish? | Jawless, Cartilage, Bony |
| What characteristic do all vertebrates share? | They all have a backbone |
| What are the differences between an ectotherm and an endotherm? | Ectotherms, also called cold-blooded, are animals in which their body temperature changes with the temperture of their environment. Endotherms, also called warm-blooded, have constant body temperatures and are able to live in more places because their |
| Explain the comparison between the word amphibian to a frog | A frog is an amphibian because a frog has half of its life in water and half of its life on land, as an amphibian, a frog is ectothermic, and a frog returns to water to reproduce. |
| What are the adaptations for a frog to live their life on land? | Lungs to breathe oxygen, two loops and a three chambered heart, and thin skin |
| What is the difference between an amphibian egg and a reptile egg? | amphibian- jelly-like reptile- leathery |
| What are the groups of reptiles? | lizards and snakes, turtles, and alligators and crocodiles |
| In eveloution, which is the oldest animal, and which is the youngest? | oldest- fish; youngest- birds |
| Why does a shark always need to be moving? | So they can keep water currents going through their gills to be able to breathe |
| How does a snake move? | Snakes move by contracting, or shortening, bands of muscles that are connected to their ribs and their backbones. |
Created by:
mcaselt
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