To survive in a closed space like Biosphere 2, plants would needsunlight and animals would needfood.

Many animals cannot sweat to maintain a stable body temperature. what is one other way animals can cool down?

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.

The idea that all living things are made up of cells is considered scientific law. this means the idea is an emerging scientific idea that has a logical explanation. has been tested with similar results at least twice. is supported by scientific consensus and a large amount of evidence. has been rejected only once by the scientific community