Organism | Habitat | Respiratory organ |
P) | Water | Gills |
Q) | Water and land | Moist skin and lungs |
R) | Soil | Skin |
S) | Land | Spiracles and Trachea |
T) | Water | Cell membrane |
Answer:
Organism | Habitat | Respiratory organ |
Soil | Skin |
The animal R could be an earthworm because the earthworm lives inside the soil and breathes through their moist skin.
The skin of earthworms is quite thin and moist and has a good blood supply through which they can easily absorb oxygen needed for respiration.