Question

how will an organism be benefited if reproduce through spore
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Answer 1

Answer:

Reproduction through spores gives several advantages to an organism. ... Spores can remain dormant till favourable conditions become available. Spores help an organism to tide over the bad phase. Spores can be spread through water, air or animals and thus is good for the spread of an organism to more places.

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Answer 2

Number of spores produced in one sporangium would be large.
In order to avoid competition at one place, spores can be distributed to faraway places with the help of air.
In order to prevent dehydration under unfavourable conditions, the spores are covered by thick walls.
Spore reproduction is quick and multiplies many at once, hence the population will increase and survival chances are high
They remain dormant till favourable conditions are available
As they are light, they can be carried by wind and hence can start growing in different regions
They possess thick walls which enables them to survive even in unfavourable conditions
As it is an asexual form of reproduction, there is no error in the copies of new entities produced, hence parental characters are not lost
They assist the entity to tide over the bad phase