The role is to build up water with its dam to create a lake thus creating parts of the ecosystem it is also food for some animals.
Answer:
D
Explanation:
Population is generalized to all individuals.
<span>the study of living organisms, divided into many specialized
fields that cover their morphology, physiology, anatomy, behavior,
origin, and distribution.</span>
The mechanism is straightforward: in Metaphase one of Meiosis, chromosomes line up in two lines, with homologous across from each other, which allows them to interact by crossing over. In Metaphase of Mitosis, the chromosomes are all lined up single file, so the homologous chromosomes cannot interact.
It should be 1830 or a possibility of 1850
