I would say Salt water is classified as a Mixture.
Answer:
minerals are not man-made. They are naturally occurring. Minerals concocted in the the lab do not count although there are about 208 man made minerals discovered around mines
Answer:
More individuals are produced each generation that can survive. Phenotypic variation exists among individuals and the variation is heritable. Those individuals with heritable traits better suited to the environment will survive.
The beetle will decompose thus becoming fertilizer for el planto
A tree is considered living because it takes in nutrients like other living things. The tree is also made up of cells which all living things are made up of. Trees can also produce offspring. Just like any other living thing.