There are five animals P, Q, R, S and T. The animal P always lives in water and has gills for breathing. The animal Q can saty in water as well as on land and can breathe both, through moist skin and lungs. The animal R lives in soil and breathes only through its skin. The animal S lives on land and breathes through spiracles and tracheae. And animal T lives in water and breathes through its cell membrane.
(a) Which of the animals could be Amoeba ?
(b) Which of the animals could be frog ?
(c) Which animal could be fish ?
(d) Which animal could be grasshopper?
(e) Which animal could be earthworm ?

Answer

To solve the question regarding the identification of animals based on their characteristics, let's analyze each animal one by one:

### Step-by-Step Solution:

1. **Identify Amoeba:**
- Amoeba is a unicellular organism that lives in water and absorbs oxygen through its cell membrane.
- From the given animals, **Animal T** lives in water and breathes through its cell membrane.
- **Answer: T**

2. **Identify Frog:**
- Frogs are amphibians that can live both in water and on land. They breathe through moist skin and lungs.
- From the given animals, **Animal Q** can stay in water as well as on land and can breathe through moist skin and lungs.
- **Answer: Q**

3. **Identify Fish:**
- Fish are aquatic animals that breathe using gills.
- From the given animals, **Animal P** always lives in water and has gills for breathing.
- **Answer: P**

4. **Identify Grasshopper:**
- Grasshoppers are terrestrial insects that breathe through spiracles and tracheae.
- From the given animals, **Animal S** lives on land and breathes through spiracles and tracheae.
- **Answer: S**

5. **Identify Earthworm:**
- Earthworms live in soil and breathe through their skin.
- From the given animals, **Animal R** lives in soil and breathes only through its skin.
- **Answer: R**

### Final Answers:
- (a) Amoeba: **T**
- (b) Frog: **Q**
- (c) Fish: **P**
- (d) Grasshopper: **S**
- (e) Earthworm: **R**