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The Wonderful World of Fish

The Wonderful World of Fish. What makes a fish a fish?. Important Characteristics of fish. Fish breathe through gills. Fish have fins to help them swim. Some fish can live in salt water. Some fish can live in fresh water. There is a special fish that can live in both salt and fresh water.

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The Wonderful World of Fish

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  1. The Wonderful World of Fish What makes a fish a fish?

  2. Important Characteristics of fish • Fish breathe through gills. • Fish have fins to help them swim. • Some fish can live in salt water. • Some fish can live in fresh water. • There is a special fish that can live in both salt and fresh water.

  3. Parts of a fish

  4. How do Fish breathe in the water? * Water goes through the mouth and goes out through the gills,which take oxygen from the water.

  5. How do fish swim? Fish swim by moving their caudal fin (back fin) left and right.

  6. Not all fish have bones Many fish have bones, but the shark, for example, has cartilage. Let’s take a closer look at these two types of fish.

  7. ATTRIBUTE SHARKS BONY FISH Skeleton Cartilage only Bones and cartilage Swimming Can only swim forward. Can swim forwards and backwards Buoyancy (floating) Large oily liver Gas-filled swim bladder Gills Gill slits but no gill cover Covered gill slits Reproduction Eggs fertilized in female's body. Eggs usually fertilized in the water. Skin Rough, sandpaper-like scales Slippery, overlapping scales Shark VS. Bony Fish

  8. Things you will learn: • There are many types of fish. • Fish breathe through gills. • Fish have fins to help it swim. • Some fish have bones and others have cartilage. • Fish can live in salt water, fresh water, or both. • The salmon can live in both kinds of water. • Fish have two types of skin. • How do fish reproduce?

  9. The End

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