The nervous and endocrine systems<span> exert the ultimate control over </span>homeostasis<span>because they coordinate the </span>functions<span> of the </span>body's systems<span>. Regulation of </span>body<span>temperature, blood pressure, pH, and glucose concentration are four examples of how the </span>body<span> maintains </span>homeostasis<span>.</span>
The right choice for your question is A. A dog has three alleles for a certain fur color.
Answer:
Paleontologists didn't have the technology in that time to get a good estimation on the events. Back then, they had to rely on natural sources "markers" that made the estimations. Those estimations weren't accurate. Today's measures are accurate.
