Over a million students use our free study notes to help them with their homework
In hot and dry climates plants will have an increased rate of transpiration, the release of water through the stomata of plant cells. In dry conditions there is a lack of water and as such, plants need to...
shivering - muscles contract rapidly, causes more respiration which releases energy blood vessels near skin constrict - blood flow to skin decreases, less energy lost to surroundings
The first thing to remember is that muscles always act in pairs; so when one contracts, the other relaxes. Think of the muscles in your arm; when you bend your arm towards you, the bicep contracts so beco...
Osmosis can be explained as the passing of water molecules across a partially permeable membrane from an area of high concentration of water molecules to an area of low concentration of water molecules.If...
Eukaryotic cells are what make up you (and also plants), whereas prokaryotic cells make up bacteria. If you think about the fact that bacteria are way smaller than plants and animals, you can remem...
←
160
161
162
163
164
→
Internet Safety
Payment Security
Cyber
Essentials