What does it mean to say that evolution is a scientific theory? Select one: a. The idea of evolution has lots of evidence supporting it.
b. The idea of evolution is just a guess about how organisms change.
c. Scientists are not very sure about the idea of evolution.
d. Scientists have learned everything it is possible to know about the idea of evolution.

image result for describe the various types of gene mutationsghr.nlm.nih.gov

the types of mutations include: missense mutation: this type of mutation is a change in one dna base pair that results in the substitution of one amino acid for another in the protein made by a gene. nonsense mutation: a nonsense mutation is also a change in one dna base pair.

explanation:

the answer is d. chordata

check for the pregnancy rating of drug. if its class c or d see if other alternatives

not sure if this what   you'r looking for would be percent composition