Answer:
D. discovered chemolithotrophs in natural environments.
Explanation:
<em>Sergei Winogradsky is a Microbiologist, an Ecologist and a soil scientist from Russia who discovered chemolithotrophy mode of nutrition while studying a particular genus of bacteria.</em>
<em>He found that the bacteria genus had the ability to oxidize hydrogen sulfide with deposition of sulfur.</em>
Which are in the class of chemicals called flavanoids (what gives plants their color). Chlorophyll is the most well known pigment, providing all that green you see in leaves and foliage.
NN would be it's genotype and big nose would be it's phenotype.
The answer is heterozygous. It means that she has two different alleles for one specific gene. And homozygous means that it has two same alleles for one specific gene. Heterogenous/homogenous means the different or same between organisms.
Exactly how many chromosomes we are talking about depends on the species. A mosquito has 6 chromosomes, a pea plant has 14, a sunflower 34, a human being 46, and a dog 78. Closely related species tend to have a similar number of chromosomes.
