What is missing from this question that keeps you from answering it? Which is more fit a tan snake or a black snake?
What do you need to know if to answer this question correctly?

any abiotic or biotic factor in an ecosystem that causes a population's size to slow or decrease is a limiting factor.

protein makes up the building blocks of organs, muscles, skin, hormones and pretty much everything that matters in your body.

some choices are:

peanut butter

seeds

eggs

yogurt

meats

fish

so pretty much meat, dairy, nuts, and grains.

the principle of segregation describes how pairs of gene variants are separated into reproductive cells. from his data, mendel formulated the principle of segregation. we now know that the segregation of genes occurs during meiosis in eukaryotes, which is a process that produces reproductive cells called gametes.