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What is allopatric speciation?

When two populations of a species are isolated geographically (for example by a river, mountain, flood etc). The two populations adapt to different selection pressures and so then eventually evolve into two ...
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Answered by Isabella P. • Biology tutor
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Describe the process of Mitosis?

chromosomes are copied in the nucleus and condense into chromatids.2) the chromatids are pulled apart and move to opposite poles of the cell.3) the chromosomes separate.4) the cell divides5) 2 cells are prod...
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Answered by Isadora G. • Biology tutor
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how is an ation potential generated?

An action potential is generated within the axon of a neuron via a series of steps:1) the inside of the neuron at rest is negative (-70mV), called the resting potential2) Na ion channels open and inside of t...
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Answered by Alexander L. • Biology tutor
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Describe how animals and plants are adapted to survive in dry conditions such as deserts. For each adaptation that you give, describe how the adaptation helps the animal or plant to survive in dry conditions.

Camels are adapted to survive extremely dry conditions in deserts, where it is hot during the day and cold at night.They have the ability to go without water for long periods of time; their large humps allow...
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Answered by Dianne L. • Biology tutor
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Describe and explain the process of transcription in protein synthesis.

Hydrogen bonds that link complementary DNA base pairs in the cell's nucleus break and exposes the bases.Free RNA nucleotides in solution combine with their complementary bases of the single DNA strand.A with...
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Answered by Nichola C. • Biology tutor
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