Answer:
1.A plant needs sunlight, water, carbon dioxide to perform photosynthesis and be able to nourish. They also need to be in a land rich in nutrients such as nitrogen and phosphorus.
2.Animals need food for energy, they must consume plants or other animals. Animals also need water, oxygen and sunlight.
3.Animals and plants depend on each other because plants give them the oxygen the animals need to breathe. Plants also provide nutrition because they contain carbohydrates and proteins that are the animal's food base. Plants also provide many animal species with a habitat to live in.
The animals on the other hand when they die give the plants nutrients in the land, many animals take part in the dispersion of seeds of the plants and in the process of pollination.
