term 3 f3/ t1 f4 gaseous exchange

define a gaseous exchange surface

describe some properties that a g.e.s must have if it depends on slow passive diffusion for movement

describe the gaseous exchange surface of
1. plants
2. amoeba
3. worms

describe the gaseous exchange surface of
4. insects
5. fish
6. mammals

draw and label the G.E.S of a human

draw and label the G.E.S of a fish