Find out some common characteristics of animal life cycles across different types of species.

A vey in-depth look at the life cycle of insects. You will learn about the metamorphisis and reproduction of insects.

Article on the types and function of larvae in the animal life cycle.

Filled with printable pages of both plant and animal pond life, Enchanted Learning features fact sheets with color pictures.

Illustrated entry describes the Butterfly with details about its habitat, physical characteristics, diet, life cycle, and other facts.

Provides photographs and a fact card about common rats. Discusses where they are found, why they are seen as pests, predators, how humans use them for food and as pets, their life cycle, physical appearance, and diet.

Provides photographs and a fact card about the red knee tarantula. Discusses where they are found, their popularity as a pet, physical characteristics, lifespan, diet, predators, and life cycle.

Provides photographs and a fact card about the red-handed tamarin. Discusses where they are found, physical characteristics, behavior and lifestyle, diet, predators, life cycle, and the threat from deforestation.

This video segment from NOVA: "The Mystery of Animal Pathfinders" explores the migratorial exploits of monarch butterflies. [4:39]

Every animal starts out as a single, fertilized cell. What happens then? Launch an interactive that showcases four similar-looking embryos. Can you guess what each one of them actually is? Watch them develop.

Find out how to make a cover board for Amphibians' dual life-cycle of aquatic and terrestrial stages.

Marietta College offers a detailed article on the reproduction cycle of freshwater mollusks.

AmphibiaWeb, a site inspired by global amphibian declines, is an online system that allows free access to information on amphibian biology and conservation. This site is filled with amphibian facts, a glossary of terms, species numbers,...

Get to know the muskrat.. colored photos, description, life cycle, map of habitat, food. Only the basic details of this animal are given, making this site perfect for younger researchers.

Get to know the Muskox.. colored photos, description, life cycle, map of habitat, food. Only the basic details of this large animal are given, making this site perfect for younger researchers.