Question

please check my answers..
1. Which of the following is true of a population that is evolving by means of natural selection? (1 point)
A. Acquired characteristics are passed down from parent to offspring.
B,Organisms best adapted to their environment have the highest fitness.
C.Allele frequencies of all mutations are continuously increasing. ***
D. Alleles become more or less common in the population through a series of chance occurrences.

Answer 1

2. Which of the following explains the relationship between alleles and natural selection? (1 point)
Alleles control an organism’s genotype. Natural selection works directly on the genotype. ***
Alleles control an organism’s genotype. Natural selection works directly on the phenotype.
Alleles control an organism’s phenotype. Natural selection works directly on the genotype.
Alleles control an organism’s phenotype. Natural selection works directly on the phenotype.
3. Which of the following must occur in order for speciation to take place? (1 point)
Populations within a species must be reproductively isolated.
Populations within a species must be geographically isolated.
Populations within a species must be behaviorally isolated.***
Populations within a species must be temporally isolated.

Answer 2

This should be in biology so you get the proper help.

Answer 3

That helped some, but its not all the answers :/