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The nervous system consists of two major parts: the central nervous system and the peripheral nervous system.
Explanation:
In vertebrates it consists of two main parts, the central nervous system (CNS) and the peripheral nervous system (PNS). The CNS consists of the brain and spinal cord. The PNS consists mainly of nerves, which are enclosed bundles of the long fibers or axons, that connect the CNS to every other part of the body.
Answer: <u><em> Microevolution is defined as a change in allele frequencies in a population over time. Three mechanisms can cause allele frequencies to change: natural selection, genetic drift (chance events that alter allele frequencies), and gene flow (the transfer of alleles between populations).</em></u>
Explanation:<u><em> If i'm right Mark Me brain, give 5 stars and a thank you</em></u>
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Answer:
Species
Explanation:
The lower down they go, the more characteristics they have in common.
Animals have the least amount of shared characteristics in Domain, but the most in species.
If the results of an experiment have different conclusions, something must have changed. these are called **variables**. if more than one variable is changed, the result would be different. because the total conclusion is different, it is a hypothesis, because it is not universally true.