Answer:
The genotype for the pink flower is Rr and the genotype for the white flower
is rr. This would lead to a 50% chance of the offspring having a phenotype of pink.
Explanation:
The right option is; B) the total variety of organisms on Earth
The total variety of organisms on Earth explains biodiversity
Biodiversity is the variety and variability of all species (different plants, animals and microorganisms) from all sources (marine, terrestrial and other aquatic ecosystem) on earth or within a particular region. Biodiversity involves genetic diversity, species diversity and ecosystem diversity which all functions together to form the complexity of life on earth.
The answer is 90 and 140 mm Hg.