Food chains show

a. genetic relationships

b. past extinctions

c. predator-prey relationships

d. all forms of competition

Choose a mutation from those in model 2 that would be neutral for a cell. explain your reasoning by relating the mutation to the cellular respiration process.

When does dna replication(make a copy of itself)?

According to the big bang theory, after the "bang," the universe remained dark until about  300,000 yearsone billion yearsthree minutesthree billion years  later, when neutral atoms began to form.