Chapter 2 - Lesson 3: How Do Fish, Frogs, and                Mammals Grow?                    Study GuideVocabulary:1. amp...
Main Ideas:· Frogs are amphibians. Most amphibians live part oftheir lives inwater and part on land.· The life cycle of a ...
Chapter 2 - Lesson 3: How Do Fish, Frogs, and                Mammals Grow?                  QUICK QUIZ #11. What are amphi...
Chapter 2 - Lesson 3: How Do Fish, Frogs, and                Mammals Grow?                Raise Questions1. Which animals ...
Chapter 2 - Lesson 3: How Do Fish, Frogs, and                Mammals Grow?                QUICK QUIZ #21. What is a mammal...
Chapter 2 - Lesson 3: How Do Fish, Frogs, and                Mammals Grow?                Raise Questions1. Where do mamma...
Chapter 2 - Lesson 3: How Do Fish, Frogs, and                Mammals Grow?                     Page A471. How is the life ...
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Scott Foresman Unit A Chapter 2 Lesson 3

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  1. 1. Chapter 2 - Lesson 3: How Do Fish, Frogs, and Mammals Grow? Study GuideVocabulary:1. amphibian - an animal with a backbone thatlives part ofits life cycle in water and pat on land.2. gills - the parts of fish and tadpoles that areused to takein oxygen from water.3. tadpole - a very young frog or toad.
  2. 2. Main Ideas:· Frogs are amphibians. Most amphibians live part oftheir lives inwater and part on land.· The life cycle of a frog has the following stages: egg,youngtadpole, older tadpole, adult frog.· A mammal is characterized by fur or hair and milk-producingmammary glands. Mammals also have a backbone andlungs.· Mammal babies stay with one or both of their parentsfor a period oftime that ranges from a few months to many years.· Mammal babies begin as eggs.· Different kinds of mammals have different life cycles.The typicalmammal life cycle includes egg, embryo, baby, younganimal andadult.
  3. 3. Chapter 2 - Lesson 3: How Do Fish, Frogs, and Mammals Grow? QUICK QUIZ #11. What are amphibians?2. How is a tadpole like a fish?H.O.T. Put the following stages in the life cycle ofa frog into the correct sequence: adult, oldertadpole, egg, young tadpole.
  4. 4. Chapter 2 - Lesson 3: How Do Fish, Frogs, and Mammals Grow? Raise Questions1. Which animals in this chapter have abackbone?H.O.T. Which characteristics of mammals do dogshave?
  5. 5. Chapter 2 - Lesson 3: How Do Fish, Frogs, and Mammals Grow? QUICK QUIZ #21. What is a mammal?2. Are all mammals covered with fur?H.O.T. Apply your knowledge of mammals to listten examples of mammals.
  6. 6. Chapter 2 - Lesson 3: How Do Fish, Frogs, and Mammals Grow? Raise Questions1. Where do mammal embryos usually grow?2. What happens to mammal babies after they areborn?H.O.T. What do all adult animals have incommon?
  7. 7. Chapter 2 - Lesson 3: How Do Fish, Frogs, and Mammals Grow? Page A471. How is the life cycle of a fish different from thelife cycle of a frog?2. What are the stages in the mammal life cycle?3. Sequencing - use what you know about lifecycles of frogs to put these steps in the correctorder: breathe with gills; breathe with lungs;hatch from eggs.

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