Which pair of structures would provide a positive identification of an animal cell under a microscope?

lysosome, flagellum

Explanation:

Took the test & it was correct. See picture below.

in 1859, charles darwin set out his theory of evolution by natural selection as an explanation for adaptation and speciation. he defined natural selection as the "principle by which each slight variation [of a trait], if useful, is preserved".

the most common type of reef is the fringing reef. this type of reef grows seaward directly from the shore. they form borders along the shoreline and surrounding islands.