Useful traits have been accumulated in plants and animals over the centuries by how plants have undergone through certain phases, specifically called selection. Most of these traits are accumulated naturally but others may be acquired in the opposite way through man-made cultivation. Hope this answers your question.
Answer:
so that you would know what views are on each side and the shape of the describes that we are outside the earth surrounded by water
The most specific would be felis catus. That is the name of the species in biology, and there are no more taxonomic divides after species.
Producers are typically plants, so I believe the correct answers would be 2, 3, 4.