Natural selection relates the adaptations organisms have to their fitness for survival within their environment. According to the theory of evolution by natural selection, what must take place in an environment in order for one characteristic of a species to be selected over another?

Which of the following types of stars is most likely to end up as a supernova? in graph a, the curve peaks at 800 nm, in the red section of the visible light spectrum. in graph b, the curve peaks at 550 nm, in the green section of the visible light spectrum. in graph c, the curve peaks at 450 nm, in the blue section of the visible light spectrum. in graph d, the curve peaks at 300 nm, in the violet section of the visible light spectrum. a b c d

Number and variety of living organism; includes genetic, species, and ecological types

What would most likely happen to a unicellular organism if it was exposed to a hypotonic solution for an extended period of time?