QUESTI
at factors could lead to the rise of a new species?
geographical isolation be a major factor in the s
inating plant species? Why or why not?
geographical isolation be a major factor in the
anism that reproduces asexually? Why or why n
UTION AND CLASSIFICATION
Answers
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Answer:
What factors could lead to the rise of a new species?
Ans. Following factors could lead to the rise of new species:
(a) Changes in gene frequency in small breeding isolated populations.
(b) Natural selection
(c) Changes in number of chromosome.
Will geographical isolation be a major factor in the speciation of self-pollinating plant species? Why or why not?
Ans. No, because geographical barrier do not allow breeding between such individuals of a population which reproduce sexually. Moreover asexually reproducing organism pass on the parental DNA to offspring which gives no chance of speciation.
Will geographical isolation be a major factor in the speciation of an organism that reproduces asexually? Why or why not?
Ans. Yes, due to geographical isolation, the two populations are separated. The levels of gene flow between them will decrease. The isolated population will breed with local population resulting in entry of isolated population into new population.