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Give an example of a specialised cell and two specialised adaptations.

Sperm cell: 1) flagellum 2) Abundance of mitochondria
TD
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what are stomata

little holes in the leaves of plants. this allows air to get in to the leaf so the plant can use it to make all the things it needs to live! the problem is, these little stomata can let water leave as well w...
MB
Answered by millie b. • Biology tutor
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Describe the role of blood vessels in the control of body temperature.

Control of body temperature is called thermoregulation. One mechanism for thermoregulation is the control of blood vessels in the skin to either increase or decrease heat loss.If body temperature is too high...
EF
Answered by Eleanor F. • Biology tutor
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Mitochondrial DNA can be used as evidence for human evolution. Explain why mitochondrial DNA is used rather than nuclear DNA

The first reason why mitochondrial DNA is better than using nuclear DNA is because it is in a higher abundance than nuclear DNA. Furthermore, mitochondrial DNA is more stable over time and less susceptible t...
RP
Answered by Riya P. • Biology tutor
10181 Views

Describe the process of gas exchange between the lung's alveoli and capillary network.

Once the oxygen in the blood has been used by the tissues, oxygen deplete blood is carried to the lungs. This comes into close contact with the oxygen rich environment of the alveoli, and diffusion occurs be...
WG
Answered by William G. • Biology tutor
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