Answer:
Speciation has become complete when organisms of one population do not recognize the mating call of another population and so mating does not occur. Which of the following statements about reproductive barriers and speciation is true? Speciation can occur with even a single gene mutation if that mutation involves reproductive barriers.
Explanation:
Answer:
c.) analogous structures
Explanation:
A bee's wing shape is similar to bird wings but has an entirely different structure to it, this makes it analogous.
Answer:
All organisms have the same nucleotides
Explanation:
All organisms have DNA. DNA is made up of the nucleotides Guanine, Adenine, Thymine, and Cytosine, with Guanine pairing with Adenine, and Thymine pairing with Cytosine. The combinations of pairs in a sequence determine an organism's individual genes.
Explanation:
Fossil fuels are nonrenewable resources because the conditions for their formation no longer exist on Earth.
Explanation:
blood contains far fewer white blood cells than red blood cells , bud the body can increase the production of white blood cells to fight infection ...
