Sample Descriptive Essay I have always been fascinated by carnival rides. It amazes me that average, ordinary people eagerly trade in the serenity of the ground for the chance to…
(Encyclopedia)
CE5
Structure of a bird feather
feathers, outgrowths of the skin, constituting the plumage of birds. Feathers grow only along certain definite tracts (pterylae), which vary in…
(Encyclopedia) paleontologypaleontologypāˌlēəntŏlˈəjē [key] [Gr.,= study of early beings], science of the life of past geologic periods based on fossil remains. Knowledge of the existence of fossils…
Biggest Follow this slideshow to see images of and learn about the worlds' largest land and marine mammal, bird, fish, reptile, and insect. Prev Next Land mammal African elephants…
(Encyclopedia) mass extinction, the extinction of a large percentage of the earth's species, opening ecological niches for other species to fill. There have been at least ten such events. The five…
(Encyclopedia) mammal, an animal of the highest class of vertebrates, the Mammalia. The female has mammary glands, which secrete milk for the nourishment of the young after birth. In the majority of…
Fast Facts on Sharks How is a shark different from other kinds of fish? by Holly Hartman Sharks are fish. But how is a shark different from other kinds of fish? Most other fish have…