Diffusion is important to living organisms to ( I )obtain oxygen for respiration

(II) get rid of carbon dioxide produced in photosynthesis

(III )obtain water for photosynthesis

(A) I only
(B) I and III only
(C) II and III only
(D) I, II and III

linnaeus is the father of taxonomy

explanation:

which is the system of classifying and naming organisms. one of his contributions was the development of a hierarchical system of classification of nature. today, this system includes eight taxa: domain, kingdom, phylum, class, order, family, genus, and species.

the statements that apply here about binary star system are

"have stars that might appear to wobble"

"often have one star that is brighter than other"

a binary star is a star system consisting of two stars revolving around their common barycenter. systems of two or more stars are called multiple star systems.