Question

Generally found at a depth of less than 150 feet, coral reefs are home to some of the most ____ forms of life in the world. Thousands of different plants and animals have been found living among them.

Which word best completes the sentence for the author’s purpose?

(A) varied
(B) peculiar
(C) amazing
(D) common

Answer 1

A) varied 

Varied/variety means there's many, which is said in the next sentence. 

Answer 2

Answer:

The correct answer is option A (varied).

Explanation:

The word that best completes the given sentence is "VARIED" since the whole paragraph tells us that (...) "coral reefs are home to some of the most varied forms of life in the world". To reaffirm the sentence, it follows by saying that "thousands of different plants and animals have been found living among them".