When a Stickleback fish feels threatened, it will flare out its pair of pelvic spines and three dorsal spines, making it difficult for predators to swallow them.
The answer is B. (The first answer above me is incorrect)
Biological realm..............
The source of bacteria in the
culture tube in model 1 is from a swab of a desktop. Moreover, there are four variants
in the E. coli culture from the initial swab and the variants of E.coli found
on the dish grown with triclosan are evolution and selection.