life (biology)

Uses experiments to explain ecosystems, life cycles, and interactions of life and environment including pollution and conservation.

Introduces the concept of opposites through a look at things that are alive and not alive.

Photographs, illustrations, and simple text describe the importance of single-celled life forms, where they are found, and specific examples of their life cycles.

Traces 3500 million years of the development of life to the present day. Includes time charts, maps, diagrams, and paintings of geological time periods.

Continues: Life on earth. The story of the Earth's surface and its colonization by animals and plants.

Introduces young readers to the many different types of energy used by animals, plants, fungi, and bacteria, including light, sound, heat, and electrical energies.

Explains that living things needs food, water, and air to survive and nonliving things do not.

Examines the physical and biochemical origins of life and the processes by which the first living things appeared on Earth.

Explores how the origins of life on earth have been traced while focusing on the scientists who have worked to crack the code that governs all living creatures.

Explores some of the world's most unusual ecosystems found in caves, the deep sea, hydrothermal vents on the ocean floor, underground aquifers, and rock deep below earth's surface.