I can't read the paper, so all I can say is read Darwin's Survival of the Fittest and you will understand evolution.
Answer:
phenotype refers to the observable characteristics of an organism
Protein is found in dna but dna isnt an element
Answer:
I believe the answer is A
Explanation:
The other reasons would not give enough reason for competition between populations.
Answer:
both A and B
Explanation:
Together, the number of protons and the number of neutrons determine an element's mass number.