Documents Yang Jing Look at the following pictures. What are they doing ? Can you tell which activity is...

Slide 1 Slide 2 Yang Jing Slide 3 Look at the following pictures. What are they doing ? Can you tell which activity is healthy and which is unhealthy? Slide 4 shadowboxing…

Documents Fishes Lesson 4. -Aquatic vertebrates (they have backbones) -Most have paired fins, scales on some.....

Slide 1 Fishes Lesson 4 Slide 2 -Aquatic vertebrates (they have backbones) -Most have paired fins, scales on some parts of the body, and gills. -Fins are for movement -Scales…