Which process decreases varation in population? a-immigration b-natural selection c-mutation d-recombination

I think that mutation is what decreases variation in population because it makes the most sense. immigration increases variation, natural selection is completely out of the picture and recombination is just not the answer. the answer imo is mutation

spiders belong to a group of arachnids.

arachnids have the following traits :

they have two body parts.

they have eight legs unlike insects which have 6 legs.

they have no wings.

these traits distinguish them from insects.

the information that antonio is doubting us the statement that spiders differences are as a result of being first to evolve.

this is because the evolution of one species is independent of the other species.

yes!

explanation:

because it has a type of fat that can make you extremely sick