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What is the process by which plants and algae remove carbon from the atmosphere?

Photosynthesis. This question may throw some students off because: 1: They may be used to the question phased as something like 'By what process do plants generate glucose' 2: They may not be aware that alga...
LW
Answered by Leo W. • Biology tutor
4359 Views

Explain how a population of antibiotic-resistant bacteria might develop from non-resistant bacteria.

There is genetic variation within the population of bacteria The variation has occurred due to random genetic mutations This variation means that a bacterium may have a mutation that gives it resistance to a...
MP
Answered by Maia P. • Biology tutor
10697 Views

why does vision using the fovea have high visual acuity, but low sensitivity to light compared with vision using other parts of the retina.

the connections within the retina explain this. there is a different density and distribution of different types of cells in the retina - the fovea, in the centre of the eye, has a high density of cone cells...
JW
Answered by Juliette W. • Biology tutor
9824 Views

What is photosynthesis?

Photosynthesis is the process that takes place in green plants to produce their energy. It is when light energy is converted into chemical energy. Carbon dioxide and water are taken in and used to make oxyge...
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Answered by Thomas G. • Biology tutor
3718 Views

what is a test cross used for and how do you know what genotypes to cross?

A test cross is used to discover the genotype of an individual by crossing two parents to see the phenoypic ratio of the offspring produced. A homozygous recessive individual (one with two recessive or small...
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Answered by Emily R. • Biology tutor
21409 Views