Coal! it's formed over years from decayed vegetation
Answer: MolluscaMarissa finds an unknown organism belonging to phylum Mollusca because as she described it, it has bilateral symmetry, a non-gelatinous, non-segmented body that is bigger than 0.5 mm and has a shell. Examples of animals under Phylum Mollusca are clams, muscles, snail, squid, octopus.
Ouuu I know this one, we learned a few days ago in biology. There appeared another variation of the moth, the carbonaria. It was darker in color and it is an example of temporery polymorphism. When the pollution was reduced thenumber of white moths rised again.
Sorry for my english, it is not my native language but i’m 100% sure about this
