Question

What is the difference between terrestrial and aquatic organisms?

Answer 1

Aquatic adaptations	Terrestrial adaptations
1. Aquatic habitats include rivers, ponds, lakes, streams etc.	Terrestrial habitats include graslands, mountains, deserts etc.
2. Aquatic animals generally use oxygen dissolved in water.	These use gaseous oxygen.
3. Respiration takes place by gills.	Respiration takes place by lungs.
4. Scales are found on the skin	Many adaptations takes place on skin.
5. Air sacs are present.	Air sacs may or may not be present.
6. Body is generally streamlined.	Body is of different shapes.