A photo-illustrated introduction to the scientific classification of birds that describes the differences between groups, the traits of specific species, bird evolution, and conservation.
A photo-illustrated introduction to the scientific classification of amphibians that describes the differences between groups, the traits of specific species, amphibian evolution, and conservation.
Looks at the different types of crabs and crustaceans, providing information about their appearance, hiding places, claws, eating habits, senses, and life cycles.
Explains what disease is, what causes it, and how it is spread; discusses natural defenses, drugs, and treatments; looks at how advances in modern medicine have worked to cure disease; and considers future developments in the ongoing fight against disease.
"Describes behavioral characteristics of wild and domestic gerbils and hamsters. Explains the difference between the two kinds of rodents, including physical and behavioral differences. Helps readers decide if a pet gerbil or hamster is right for them, and gives suggestions on caring for a pet rodent"--Provided by publisher.
"Describes behavioral characteristics of wild and domestic dogs. Helps readers decide if a pet dog is right for them, and gives suggestions on caring for a pet dog"--Provided by publisher.
Explains the dangers wastewater poses to the environment, discussing how water gets polluted, how it can be cleaned and used again, what the different methods of treating wastewater are, and what children can do to stop water pollution.
Explains how textile production affects the environment, why it is a good idea to reuse clothing, how clothes are recycled, and what sorts of clothes are needed for donations after a disaster.
Explains the dangers old cars pose to the environment, looks at the many different parts and materials used to manufacture cars and keep them running, and discusses what might be done to reduce the number of cars on the road, make old cars cheaper and easier to repair, and recycle car materials that can still be used after the vehicle is scrapped.
