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Mitosis is a form of cell division in which one cell (mother cell) divides into 2 genetically identical cells (daughter cells). Within the human body, mitosis replaces worn-out cells with new cells. Mitosis ...

Homeostasis is the maintenance of a constant internal environment in organisms despite external changes. Homeostasis ensures that cells within an environment are able to meet their needs and function appropr...

A niche is the functional area within which an organism exists. This can be a specific habitat it inhabits, how it shelters itself, a food source it can exploit and can include all abiotic or biotic interact...

A virus is non-living and cannot be treated by antibiotics, they do not have a cell wall. Viruses are generally smaller and require a host to survive. A bacteria can be affected by antibiotics and can surviv...

As this question is worth 6 marks, 6 different points need to be made to get all the marks. These could be two from each structure that is given. The teeth in the mouth break down food into smaller pieces (1...