Answer:
Polyploidy
Explanation:
Polyploidy can be defined as a rapid method of speciation that has been important in the history of flowering plants.
In plants, it involves the possession of two complete sets of chromosomes and it leads to the origin of new species.
Hence, the two sets of chromosomes comprises of triploidy (69 chromosomes) and tetraploidy (92 chromosomes).
I think the answer is b or f
Oil is an example for being such a low density to float on water
Answer:
10 different species are shown in the picture
2 different genus groups are classified on this picture
Hope this helps
