Question

question 4 points 2
identify the improved version of this sentence below.
the ectothermic caecilian superficially resembles an earthworm.
the caecilian, a non - amniote ectothermic tetrapod, superficially resembles an earthworm.
the caecilian, a cold - blooded amphibian, looks like an earthworm.
the ectothermic kind of caecilian can happen to sometimes resemble the earthworm, if only very slightly.
the caecilian and the earthworm resemble one another; however, it is cold - blooded

Explanation:

The original sentence is technical - using "ectothermic". The second option simplifies "ectothermic" to "cold - blooded" and "superficially resembles" to "looks like", making it more accessible while still being accurate. The first option adds more technical terms which may not be an improvement for general understanding. The third option is wordy and less clear. The fourth option has a convoluted structure and unclear pronoun reference.

Answer:

The caecilian, a cold - blooded amphibian, looks like an earthworm.