the actual CORRECT answer is change.
So,
The environment needs to [change] in order for natural selection to occur.
Don't worry i took the test trust me!
C. Serving as a Shock absorber and cleaning agent
Sugar-phosphates and nucleotides
Answer:
d. superior to the popliteal region
Explanation:
The lumbar region comprises five vertebrae of the back where the spine bends outward. This part of the spine is essential as it holds the majority of the body weight and also offers flexibility. The popliteal portion is situated at the backend part of the knee and forms the lumbar region at its superior segment. So, the correct answer is option d.