DENDROLOGY

Detailed explanation-1: -Animals are consumers and they all depend on plants for survival. Some eat plants directly, while others eat animals that eat the plants. In turn, some plants depend on animals to help spread their seed. Decomposing animal carcasses can also provide nutrients for plants to grow.

Detailed explanation-2: -Animals depend on plants for various reasons. For example, plants are the primary producers of food. Plants also take in carbon dioxide and produce oxygen in return. Similarly, plants depend on animals for reasons like dispersal of fruits and seeds, pollination, and for the carbon dioxide that is produced by animals.

Detailed explanation-3: -They are the source of food for animals. They provide shelter to animals like birds. They provide oxygen to the animals. They provide habitat to animals and helps them to escape from predators.