1 markWhich of the following is not an advantage of asexual reproduction?
Population numbers can increase rapidly when conditions are favourable.
Asexual reproduction is very time and energy efficient.
It leads to increased genetic variation within a population.
Asexual reproduction enables organisms to exploit suitable environments fast.
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1 markThe table below shows some advantages and disadvantages of sexual and asexual reproduction.
Which row is correct?
| advantages of sexual reproduction | advantage of asexual reproduction | |
| A | less population growth | only one parent needed |
| B | more energy efficient | gametes can be transferred by the environment |
| C | no transfer of gametes | does not compete with parent for nutrients |
| D | more genetic variation | faster |
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The diagram shows two onion plants. 
Using the information in the diagram, which statement about these onion plants is correct?
Daughter plants are produced from the small bulb by meiosis.
Daughter plants produced from the flower are genetically identical to the parent plant.
The plants can reproduce sexually and asexually.
Two parent plants are required for reproduction.
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