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A single circulatory system is where blood flow starts with deoxygenated blood being pumped by the heart to the lungs or gills and then travelling directly to the rest of the body’s tissues. Found in fish...

Polar bears are well adapted for survival in the Arctic: 

White fur to camouflage themselves from prey on the snow and ice. 

Thick layers of fat and fur for insulation against the cold.

1. Soil erosion

2. Eutrophication

3. Global warming

4. Less transpiration

Aerobic respirtation is the process by which glucose and oxygen go to form carbon dioxide and water. The reaction occurs in the mitochondria. The process is needed to release energy. The chemical equation...

I will, through the format of a venn diagram or mind map, guide the student through brainstorming important points. I will pay particularly close attention to those listed in the Higher GCSE AQA 2017 Biol...