The Basics of Life History Theory Life history theory seeks to explain how natural selection and other evolutionary forces shape organisms to optimize their survival and reproduction in the face ...

Meta-analysis reveals there is no evidence that variation in clutch size in birds is driven by the reproduction–survival trade-off.

Here are a few takeaways: Under certain noise levels, the rate of survival to adulthood decreased, and the number of ...

But when resources are scarce, competition can become an all-out war for survival and reproduction. While competition seldom gets truly violent, the outcome often determines which of the ...

English naturalist, geologist, and biologist Charles Darwin employed the term to show how successfully adapted organisms achieve better survival rates through reproduction with trait inheritance ...

It appears that when an organism does not need to withhold some resources to ensure future survival and reproduction, it can mobilize virtually all available resources to put into a single ...

Ticks are expanding into new areas as Ontario’s winters become milder and springs last longer. According to Dr. da Silva, ...

At the top of the hierarchy are specialized stem cells that produce nitric oxide (NO), which they use to manipulate the immune response to ensure safe reproduction. The researchers identified a ...

But many organisms have evolved cooperative strategies for survival and reproduction. In these species "partnerships," at least one partner benefits, and neither is harmed. If only one partner ...