What is "genetic drift?" How does it affect an animal's genes and their genetic variation?
In evolutionary terms, a "successful" organism is one that passes on its genes -- not necessarily one that lives a long life.
Scientists think there are a number of reasons why young animals leave home. By doing so, they avoid competing with their relatives for resources.
Want to grow juicy hybrid vegetables? A Moment of Science tells you how!
Why are there males and females? Why are there two sexes instead of three, or twelve, or one?
We’ve discussed before how endangered species are at risk from the increased likelihood of inbreeding, which leads to unhealthy offspring. There’s another danger to letting the numbers of animals in a given species become too low. It’s called genetic drift. Learn more on this Moment of Science.
Inbreeding is the term used when animals mate with their relatives. Learn more on this Moment of Science.
Did dinosaurs take an interest in parenting? Find out on this Moment of Science.
Are marmosets like most men looking for love? Learn about marmosets on this Moment of Science.