Most cacti live in habitats subject to at least some drought.

This happens because they live in similar habitats, and have to develop solutions to the same kind of problems.

They live in very similar habitats, and they can both roll up into a ball.

They include a number of extremophiles who live in extreme habitats.

Its modern relatives live in similar habitats, and can burrow.

Three billion may still live, in transit and in smaller habitats.

It would not be very long before some of us were living in artificial habitats and on other worlds.

It is a common and familiar bird throughout much of its range, living in most habitats apart from thick forest.

This is likely an adaptation for living in marine coastal habitats.

It lives in various habitats from grassland to open woodland.