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...
EG
Answered by Ella G. • Biology tutor
3918 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...
ER
Answered by Emily R. • Biology tutor
3545 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
3394 Views

Find x in: 2(x-2) = 3x+9

2(x-2) = 3x+9LHS = RHS2x-4 = 3x+92x-3x = 9+4-x = 13x = -13
FO
Answered by Folorunso O. • Maths tutor
2787 Views

Describe the movement of plates on a destructive plate margin

The two plates collide, the less dense plate is subducted under the other, this would be the oceanic plate which moves under the continental plate.
IB
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