a. (i) Table
Organism | Respiratory |
Tadpole (2 days old) | Gill (External) |
Cockroach | Trachea/tracheoles |
Domestic fowl | Lung/lungs |
Talinum | Stoma/stomata |
Earthworm | (moist) Skin surface/body surface |
Amoeba | Cell membrane/plasmalemma/body surface |
(ii) Characteristic Features of respiratory surfaces
- Large surface area;
- Thin-walled/thin body surface;
- Moist surface;
- Well-ventilated surface;
- Permeable surface;
- Highly vascularised/network of capillaries present.
b. Diagram of respiratory organ/gill of Tilapia