Habitat: The place where any plant or animal naturally lives and grows; a place that provides food, water, space to live and shelter for an interdependent community of living things.

Hatching: Breaking out of an egg.

Herbivores: Animals that rely on plants and plant parts for their nourishment.

Herd: A group of animals of the same kind, together in a group feeding or traveling together. For example, cattle, buffalo, caribou.

Hibernation: The act of passing the winter, or part of it, in a state of deep sleep. Some animals do this to avoid the cold temperatures and lack of food during winter months.

Hydroponics: The science of growing plants, especially vegetables, in water containing essential mineral nutrients rather than in soil.