Answer:
Variation allows some individuals within a population to adapt to the changing environment. Because natural selection acts directly only on phenotypes, more genetic variation within a population usually enables more phenotypic variation.
Explanation:
Hope this helps
Your answer should be geosphere. Good luck!
Answer:lumbar, thoracic and cervical
Explanation:
Iliocostalis muscles is the most inferior and lateral of the erector spinae muscles.
The answer to your question is <span>chemical energy
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