Search over 10,000 free study notes

First, you look for the difference between every number in the sequence, ie. what do you add to the first number to equal the second number? If you find that the difference is the same for every number, then...

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...

In the mid-19th century Gregor Mendel carried out breeding experiments on plants. He worked on the characteristics of pea plants. One of his observations was that the inheritance of each characteristic is de...

A plosive consonant is an abrupt sound made by closing the mouth then releasing a burst of breath. The plosive consonants in English are B, P, T and D. Their effect, especially when used repeatedly is to cre...

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...