The contamination that results from the spread of bacteria from meat to vegetables is called?

How did the research presented in the article affect scientists' understanding of the evolution of eukaryotes

The following image is of a diatom. it lives in water and gets food from photosynthesis. it is encased in a hard shell made of something similar to glass or sand . a diatom is a(n) because it has a) multi-celled organism; specialized parts. b) vertebrate; a skeleton. c) insect; an exoskeleton. d) single-called organism; only one cell.

Which statement correctly describes a way that mutations increase the likelihood that a species will survive in a changing environment