In a 2019 study, Jeremy Gunawardena and colleagues found that the single-celled protozoan Stentor roeseli not only uses strategies to

Question

In a 2019 study, Jeremy Gunawardena and colleagues found that the single-celled protozoan Stentor roeseli not only uses strategies to escape irritating stimuli but also switches strategies when one fails. This evidence of protozoans sophistiedly “changing their minds” demonstrates that single-celled organisms may not be limited to blank behaviors.

Which choice completes the text with the most logical and precise word or phrase?

Accepted Answer

Choice B is the best answer because it most logically completes the text&rsquo;s discussion of single-celled organism behavior. As used in this context, &ldquo;rudimentary&rdquo; means basic or unsophistied. According to the text, a study of the single-celled protozoan Stentor roeseli showed that the organisms can switch strategies for escaping certain stimuli, &ldquo;sophistiedly &lsquo;changing their minds&rsquo;&rdquo; and using new strategies should other strategies fail. This context suggests that single-celled organisms may not be limited to behaviors that are basic or rudimentary, since the study showed that single-celled protozoans can respond complexly to irritating stimuli. Choice A is incorrect because the text doesn&rsquo;t suggest that single-celled organisms may not be limited to behavior that is &ldquo;aggressive,&rdquo; or threatening. Rather, the text suggests that single-celled organisms may not be limited to behaviors that are basic, since the study of Stentor roeseli showed that single-celled protozoans can respond complexly to irritating stimuli. Choice C is incorrect because the text doesn&rsquo;t suggest that single-celled organisms may not be limited to behavior that is &ldquo;evolving,&rdquo; or advancing. Rather, the text suggests that single-celled organisms may not be limited to behaviors that are basic, since the study of Stentor roeseli showed that single-celled protozoans can respond complexly to irritating stimuli. Choice D is incorrect because the text doesn&rsquo;t suggest that single-celled organisms may not be limited to behavior that is &ldquo;advantageous,&rdquo; or helpful. Rather, the text suggests that single-celled organisms may not be limited to behaviors that are basic, since the study of Stentor roeseli showed that single-celled protozoans can respond complexly to irritating stimuli.

Question in-a-2