Is it in a triangle
if you imagen it as a rain drop
and then it hit something it would go to a sort of triangular shape
<span>Rivers can be polluted by nitrates because the fertilizers in the field that contain nitrates are washed into the river because of rain and flooding. Other source of nitrate pollution in the rivers is the mixing of sewage which contains human and animal wastes.</span>
Answer: Since it's the DOMINANT allele that means that it will take over reccesive allele that's why it's shown.
Explanation: A heterozygous individual is an individual where the have both the dominant and reccesive allele for a trait. The dominant allele will always be stronger than the reccesive allele. This results in the dominant allele being shown.
Abiotic factors refer to non-living physical and chemical elements in the ecosystem. ... Biotic describes a living component of an ecosystem; for example organisms, such as plants and animals. Examples Water, light, wind, soil, humidity, minerals, gases.