Alleles are two different forms of a single gene.
Answer:
In the moonlight, they see a shadow of a man holding a gun (it's Nathan Radley)
Explanation:
Meiosis is important because it ensures that all organisms produced via sexual reproduction contain the correct number of chromosomes.
A population decrease in primary producers would affect the ecosystem negatively because everyone who ate the primary consumers would have a lack of food.
two factors that determine range are,
in constant flux as abiotic and biotic
factors change overtime Abiotic factors - temperature, rainfall, the presence
of geographical structures like mountains and oceans, and large scale ongoing
and historical process such as continental drift Biotic factors - past and
current presence of other species that provide habitat, food, or competition Ranges
are dynamic
