<span>The answer is B. ecosystem. The ecosystem is an ecological system consisting of all of its biotic and abiotic factors. Biotic factors are living organisms and abiotic factors include non-living factors. So, the ecosystem includes a group of organisms and non-living factors those organisms depend on.</span>
Well, recycling is our the way for us to use a material over and over again. That means that we don't need to make the same material, we can just reuse it again by taking the old one and making the new material again. So we don't need to use any human labor, fuel for trucks, or whichever things they need to get plastic, aluminum, wood for paper, etc.
Vestigial structures are inherited from ancestors, but have lost much or all of their original function due to different selection pressures acting on the descendant. The hipbones of bottlenose dolphins are vestigial structures. However, as the dolphin lineage adapted to life at sea, this function was lost.
2 and a half, the answer has to be that because its not long enough
Answer:
hi, this is the answer of your question
the cells that line your stomach can renew as fast as every two days, because they in contact with digestive acid.
