Answer:
Hope this helps!!
Explanation:
1) a five carbon ribose sugar.
2) a phosphate molecule.
3) one of four nitrogenous bases: adenine, guanine, cytosine or uracil.
#19
Polar nuclei fuse to produce Diploid secondary nucleus.
#20
After fertilisation the antipodal cells undergo meosis
#21
In which of the following double fertilisation occurs.
Ans:- Angiosperm s
#22..
In angiosperms pollen grains germinate on the Anther.
Answer:
Explanation:
it could have limations that can limit it
I'm sure there are many processes that add to diversity, but the ones that stand out to me would be meosis, natural selection, mutation, random mating.