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DNA is contained within the nucleus of the cell. It contains genes which are a sequence of DNA codes. Each gene codes for a protein. All the DNA is coiled into structures called chromosomes. There are 46 ...

Organisms may be less well adapted to the changing climate. The organisms will be outcompete by other organisms and it will be harder to them to find food and shelter which are crucial to the organisms su...

NucleusMitochondriaGolgi ApparatusSmooth endoplasmic reticulum

Osmosis is the movement of water molecules from an area of high concentration to an area of low concentration through a selectively permeable membrane.

The pupil constricts (becomes smaller) to decrease the light entering the eye. This prevents damage to the eye.