3. Leaf epidermal cells protect terrestrial plants as it covers whole plant body including leaves, stems, fruits etc. It is actually an outer protective layer. It also helps in gas exchange, prevent water loss etc.
4. Plant structures not found in animals are cell wall, chlorophyll and large vacuoles.
The cell wall protects plant cell and made up of cellulose to provide it rigidity to stand upright but animals don't need cell wall. It gives shape to plant cells.
Chlorophyll is a green coloured pigment in plants just to help them in preparing their food by photosynthesis.
Animals don't need to prepare their food from sunlight so don't has chloroplast but mitochondria to generate energy from food oxidation.
Large vacuoles in plants hold lot of water and food.
2. Why do plants need stomata? alowing to dlose and open, to protect the plante frem...