Commensalism is the term you are looking for
A flower known as a blossom is the reproductive structure found in flowering plants (plants of the division Magnoliophyta,also called angiosperms).
The answer for this question would be Level 2.
What can be inferred from this excerpt is : ( D ) Individuals with favorable variations survive and reproduce.
<h3>Effects of genetic variations in species</h3>
When the insecticide was sprayed some of the cockroaches survived and continued reproduction due to their resistance to the spray.Therefore it can inferred that although the cockroaches share the same genetic materials, the variations in individuals within the same specie played a role in the survival of some of the cockroaches.
Hence we can conclude Individuals with favorable variations survive and reproduce.
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The answer is [ D ] According to me