Question

Mention two ways in which plants are useful to animals and vice versa.

Answer 1

Plants are useful to animals in following ways:

1. A source of food: All animals depend upon plants, either directly or indirectly, for food.
2. A source of oxygen: The oxygen required for the respiration of animals is generated by plants.

Animals are useful to plants in following ways:

1. Dispersal of seeds: Plants depend upon animals for the dispersal of seeds.
2. Manure: The excreta of animals and also their dead bodies add nutrients to the soil that plants use for their growth.