ANSWER:
I think it is the first one
Explanation:
Speciation is the process in which new species are created through evolution. I might be wrong though.
the evolutionary process through which new species emerge
Lactic acid is a byproduct of short-term cellular respiration do to exercise, but if you mean lactose, then it's just the enzymes, that your stomach produces
Answer:
The ______ pathway is the route from the spinal cord to the brain that carries signals from skin, muscles, tendons, and joints.
Explanation:
