Starting one's sex life and having children at a young age can run in the family. But can pregnancy have beneficial health ...

For millions of years, some of Earth’s earliest animals barely changed. They lived, grew, and spread across the seafloor, but ...

Evolutionary theory predicts that reproduction entails costs that detract from somatic maintenance, accelerating biological aging. Despite support from studies in human and non-human animals, ...

The organs of a body are a spatial division of labour, one created by different genes being turned on or off in different cells. The same process serves to give individual lives a division of labour ...

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If you’ve ever had a spiny leaf insect as a pet, or you’re considering getting one, hopefully someone has warned you about this: if you put one in your enclosure, you might come back some time later ...

The reproductive strategies of the Chondrichthyes (cartilaginous fishes) are far more diverse than those of the other animal groups. Reproduction in chondrichthyan fishes is divided into two main ...

Activity 1 – Tap and find Activity 2 – Flowering plant quiz Activity 3 – Steps of flowering reproduction Activity 4 – Label the sexual organs Unlike animals, plants don’t need a male and a female to ...