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What is the difference between meiosis and mitosis?

Meiosis - cell division to form gametes (sex cells), each gamete contains half the number of chromosomes than in a normal cell. Mitosis - division of body cells during normal growth, each cell contains a ful...
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Answered by Elizabeth P. • Biology tutor
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What is the difference between species diversity and species evenness ?

Species richness is the number of species found in an area- you simply count the number of different species. Species evenness is how evenly spread the population is across the species in an area- if you hav...
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Answered by Rebecca N. • Biology tutor
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What are chromosomes?

Chromosomes are thread-like structures that are found in the nucleus of the cell. They contain many genes which are sections of DNA that code for a particular protein. These proteins will give an individual ...
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Answered by Emma C. • Biology tutor
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Describe how different environmental factors affect the direction of growth of roots and shoots making reference to plant hormones

Shoots grow upwards towards light and away from gravity, while roots grow downwards towards moisture and with gravity. Plants produce an uneven distribution the hormone auxin causing unequal growth rates of ...
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Answered by Paul I. • Biology tutor
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What are the light-dependent reactions of photosynthesis?

In the light-dependent reactions, a photon of light hits an electron located in the thylakoid membrane of the chloroplast in photosystem II. This causes the electron to gain energy and jump to a higher energ...
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Answered by Sarah C. • Biology tutor
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