Habitats Whales Dolphins and Porpoises This map shows
Habitats
Whales, Dolphins and Porpoises
This map shows where some of them are usually seen.
What are the differences between dolphins and fish? 1. Warm blooded 1. Cold blooded
What are the differences between dolphins and fish? 2. Breathe air through lungs 2. Use gills to extract air from water
What are the differences between dolphins and fish? 3. All whales and dolphins give birth to live young 3. Most fish lay eggs
What are the differences between dolphins and fish? 4. Move tails up and down 4. Move tails side to side
Habitats What do people need to survive and be happy? What would be the advantages and disadvantages of living in these different places?
Class activity: What lives in this habitat? Forest Sea Tundra Desert
Whale and dolphin habitats What do whales and dolphins need to be happy and healthy in their habitat?
What’s wrong with this ‘habitat’?
Blue Whale Diet: Krill (Length = 5 cm!) Eats 40 million every day! Maximum Weight: 200, 000 kg Maximum Length: • Male: 25 -28 m • Female: 30 m • Calf: 4 m
Class activity: How big is a blue whale?
River dolphins
Endangered species Amazon River dolphins are among the most endangered animals in the world
Endangered species Baiji (Yangtze) River dolphin Amazon River Dolphin Species of river dolphins are found in Their eyesight poor Southis. America and, so Asia. The Yangtze dolphin of China is now extinct. they rely river on echolocation to find their way around & hunt
Endangered species There are fewer than 500 North Atlantic right whales left. Their biggest threat was, and still is, people.
What threats can you see?
What threats can you see?
What threats can you see?
What threats can you see?
What threats can you see?
What threats can you see?
What threats can you see?
Class activity: Ocean “musical chairs”
Class activity: Good and bad habitat posters
Class activity: Habitats quiz
- Slides: 27