Respuesta :

dfla
You're talking about sexual reproduction and asexual reproduction, right?
Well, when there are favourable conditions they use the asexual reproduction because they want to produce as may individuals as possible with the lowest energy use possible. 
When the conditions are no longer favourable, they use sexual reproductions, because the egg is more resistant to the unfavourable conditions and is more likely to thrive.

Answer:

When the conditions are favorable a plant may reproduce asexually to spread quickly and take over an area. When the enviroment changes it may change to sexual to give the offspring different traits to survive in the new enviroment.

Explanation:

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