Animal Behavior

Behavioral Ecology

Why do some animals only have a few offspring?

Females have a finite amount of energy that they can allocate to the growth and maintenance of offspring. Therefore, two basic strategies have evolved for successful reproduction: The animal produces many small offspring, only some of whom may survive; or they produce just a few larger offspring, each with a higher likelihood of survival.


This is a web preview of the "The Handy Biology Answer Book" app. Many features only work on your mobile device. If you like what you see, we hope you will consider buying. Get the App