Top answers

Dead plants decay faster in soil containing earthworms compared with soil containing no earthworms. Explain why.

Model answer: There is more oxygen in the soil with earthwormsThis is required for aerobic respiration (NOT anaerobic - as this does not require oxygen)Therefore, the bacteria/microbes decompose the plant de...
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Answered by Ella G. • Biology tutor
3849 Views

What is autosomal dominant and recessive inheritance?

Offspring inherit 2 copies of each gene, one from each biological parent. If a condition or disease is autosomal dominant, this means that the offspring only needs to inherit one copy of the gene to have the...
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Answered by Emily R. • Biology tutor
3459 Views

How does the body respond to an increase or decrease in temperature to maintain homeostasis? Why is this important?

Increase in temperature: the body responds by dilating blood vessels (vasodilation) so that heat is lost via radiation through the skin and this is why we appear red, sweating in order to lose heat via evapo...
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Answered by Emily R. • Biology tutor
3324 Views

What is the process of osmosis?

A diagram would be included.Osmosis occurs when there are two areas of water of different water potentials on different sides of a semi-permeable membrane. If one side of the membrane has a low water potenti...
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Answered by Lily M. • Biology tutor
2973 Views

Describe the similarities and differences between simple and facilitated diffusion?

Simple diffusion consists of molecules moving from an area of high concentration to low concentration, down their concentration gradient. Facilitated diffusion also involves molecules travelling from and are...
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Answered by Ali B. • Biology tutor
6764 Views