Multiple choice

Directions: Choose the word or set of words for each blank that best fits the meaning of the sentence as a whole.

Some palaeontologists debate whether the diversity of species has _________ since the Cambrian period or whether imperfections in the fossil record only suggest greater diversity today, while in actuality there has been either __________ or decreased diversity.

  1. changed … escalation

  2. increased .. stasis

  3. expanded … discontinuity

  4. declined … reduction

  5. improved … deviation
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Two opposing views are presented, so word in the first blank must be opposite to "decreased" and word in the second blank must be similar to it. So, increased and stasis are the correct words.

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