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Biology
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How is a polar bear adapted for it's environment? (4 marks)

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.

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RM
Answered by Ruwani M. Biology tutor
8942 Views

The destruction of habitat can lead to the extinction of animals. Name 3 other disadvantages of deforestation.

  1. Soil erosion

  2. Eutrophication

  3. Global warming

  4. Less transpiration

AW
Answered by Ally W. Biology tutor
2529 Views

Describe the differences between hydrophobic and hydrophilic signalling.

Hydrophobic signalling molecules can pass through the lipid bilayer of the membrane due to both being hydrphobic. Once within the cell, the molecule can bind to a receptor or transcription factor to inhib...

LA
Answered by Lindsey A. Biology tutor
8408 Views

What is the difference between aerobic and anaerobic respiration?

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...

AH
Answered by Aiden H. Biology tutor
4720 Views

A company plan to produce GM mosquitoes which carry a gene that causes the death of offspring before reaching adulthood. Male mosquitoes do n't feed on blood, so scientists are planning on releasing millions of GM males. Do you think they should?

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...

RL
Answered by Rhiannon L. Biology tutor
3654 Views

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