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What is the equation for respiration?

C6H12O6 + 6O2 -----6CO 2 + 6H 2 O
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Answered by Lily W. • Biology tutor
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Explain how ciliary muscles and elastic fibres change the shape of lens to a distant object

if you are looking at a far away object, your eyes don’t need to refract the light too much in order to focus it onto the retina. So in this case the lens shape should be flat instead of fat. And how this ha...
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Answered by Ryan R. • Biology tutor
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Students placed some grass cuttings in a vacuum flask and attached a carbon dioxide sensor. Why would the carbon dioxide levels increase over a period of 20 days?

The decomposing microorganisms that contribute to the decay of the grass must respire and respiration leads to the production and release of carbon dioxide.
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Answered by Georgia B. • Biology tutor
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Explain through Darwin's Theory of evolution how species become better adapted to their environment.

Darwin's Theory suggests that all populations have variation between them, this variation is primarily caused by mutations in DNA. If an individual within a species gains a beneficial mutation it will be mor...
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Answered by Caitlin S. • Biology tutor
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Why does as an excess of nutrients such as nitrates lead to animal death in bodies of freshwater?

This is an unexpected result as usually nutrients are considered beneficial to organisms. Some organisms do benefit enourmously from the nutrients, but this leads to the deaths of other. The high concentrati...
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Answered by Daniel A. • Biology tutor
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