Top answers

What makes up a balanced diet?

A balanced diet supplies all the essential nutrients for the body to function. There are 7 essential nutreints, each with a differnt function in the body. Carbohydrates provide energy Fats/lipids act as an e...
VH
Answered by Vicky H. • Biology tutor
5016 Views

What does genotype mean?

Genotype is the genetic composition for a particular phenotype. It involves both alleles from both the father and mother. So a genotype of the colour of eyes (blue) could be bb or BB or Bb.
FA
Answered by Farid A. • Biology tutor
5379 Views

What is homeostasis? Describe using an example.

Homeostasis can simply be described as the maintenance of a constant internal environment. Human bodies must get rid of accumulating toxic substances which can harm the body. Things like sugar concentration ...
TS
Answered by Tasneem S. • Biology tutor
5144 Views

Explain why the contraction times of the atria and ventricles in the heart differ.

The atria have a shorter contraction time as the ventricles as they only need to pump blood into the ventricles. The contraction time of the ventricles is longer as they need to pump blood through the aorta ...
PK
6600 Views

Describe how animals and plants are adapted to survive in dry conditions such as deserts. For each adaptation explain how this helps them survive. (6 marks)

There are many ways that animals are adapted to live in dry conditions. First, a decrease in surface area reduces water loss by minimising sweating. They may also have l ong eyelashes to keep dust out of the...
LB
Answered by Lucy B. • Biology tutor
21400 Views