Examines how plants and animals have invaded almost every conceivable habitat on land and sea, below ground and in the air, and adapted to thrive there.
Discusses the growth of plants in different habitats, photosynthesis, transpiration, pollination, seed dispersal, the effect of plants on the life of animals and man, and the effect of animal life and human activities on plant environments. Includes experiments and related activities.
Alternates factual information on the ecological aspects of water with activities and experiments, covering such areas as the behavior of warm water, acid rain, and pond life.
Alternates factual information on the ecological aspects of an urban environment with activities and experiments, covering such areas as city water, parks and ponds, wild mammals in town, and trash.
Examines how plants and animals have invaded almost every conceivable habitat on land and sea, below ground and in the air, and adapted to thrive there.
Describes food plants, where they grow, how they are cultivated, their importance for the survival of humans and animals, and the need for more crops to feed the world's growing population.
