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).
During the course of initiating the scientific method, the hypothesis is considered the first major step. Before that would be identifying a subject and observing a particular issue, animal, etc.
Answer:
chromosomes are checked for errors
Explanation:
A decrease in plankton populations is an activity that would be a result of a sudden unexpected change in the environment.
<span>they occur in small things called chloroplasts </span>