I believe the answer you are looking for has to do with cells, they are the basic building block of life and are the smallest life that can support itself.
A spherically shaped bacteria are known as cocci..
hope this helps.....
A scientist would use, C. Weather Balloon.
Answer:
Diversity in the genetic characteristic or traits present in a species throughout populations of particular species called genetic diversity. Genetic diversity deals with the number of alleles and genes found between individuals. It is responsible for the adaptation and distribution of species.
Species Diversity is the relative abundance of species found in a given biological organization in a community and interacts with biodiversity by changing biotic factors.