er:
Explanation:
In the lungs CO2 is removed from the blood and send out the body where we exhale
This is easy, the answer is: <span>Ø</span>
Answer:
mutation, recombination, and immigration of genes.
The tick attaching itself to the skin of the dog is the parasitic relationship because the tick is relying on the dog as a host in order to live.
<span>Fossil record, genetics, and examples of local adaptations all support the theory of evolution by natural selection.</span>
