This answer is true as can be!
Because you get most of the vitamin D for the sun and it can help or damage your skin.
A- if you look up the word “evolution” it will show many types of animals forming up into what we call humans
C. Plants. They take light from the sun and convert it into their own energy. The others cannot do this, which make C. A primary produser
An isolated colony on a selective medium is not considered a pure culture because inhibited organisms might be masked by the colonies. This statement is true.
On the basis of their constitution or usage, culture media can be classified into various groups; these include defined, complex, selective, as well as enrichment medium.
A selective medium consists of dyes or noxious substances/chemicals which inhibit the growth of specific microorganisms but promote the growth of other microbes.
A pure culture is a laboratory culture which contains a single species of microorganism. It is free from other microorganisms.
Since selective media affects the growth of distinct organisms differently, therefore, an isolated colony formed in such type of medium is not considered a pure culture.
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