Hello! You did not put much detail into your question but I will do the best to answer it.
That sentence says “Why theory of evolution is not completely accepted?” That sentence up top is translated from Spanish to English. The theory of evolution was a theory created by Charles Robert Darwin. He ended up dying in April of 1882.
Let me know if you need any more help!
Animals stored glucose in their cells it is then available for quick shots of energy.
The importance is that the second one has more surface area because it has the outside are and the inside area too