Very powerful microscopes were needed before cells could be observed in detail
This is an example of a Secondary phase injury.
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The answer is B.- Upright bipedal walking posture.
The four factors are availability of food, water, shelter and space. The effect they have on the population includes: lower birth rates, increasing death rates or leading to emigration
They both produce energy but the process is different. Aerobic respiration is when the cell produces energy using oxygen while anaerobic uses electron acceptors. Aerobic respiration also makes more energy.
