There are two basic life-cycle patterns among animals. Many animals have complex life cycles with two or more very distinct stages; metamorphosis is the usual term for the often-radical changes that ...

Winter is a time of rest for many plants and animals. The cycles found throughout nature are full of endings, fresh starts, and plenty of resets, whether we are talking about massive weather patterns ...

From tadpole to frog caterpillar to butterfly and pup to wolf children will learn about the life cycles of animals the different stages of development and the average life spans of a variety of ...

Some biologists speculate that animals will get smaller with global warming to reduce heat stress. While this may be true of warm-blooded animals, what about exotherms like insects? Thanks to a ...