Chapter 4 Exercises

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. Replace the underlined phrase with the best tense of the word.
The newly discovered planet _______ (is/was) at least as big as Pluto.

Your response

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. Replace the underlined phrase with the best tense of the word.
Fields like public health _______ (explore/explored) the predictive power of Big Data.

Your response

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. Fill in the sentence so that tense is mixed appropriately, reflecting an experiment that has been completed.
Brown _______ that the bacteria Brucella _______ abortion in livestock.

reports correct incorrect

reported correct incorrect

cause correct incorrect

caused correct incorrect

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. Replace the underlined phrase with the best tense of the word, for a finding that has present consequences.
The temperature on the microbiome _______ (is/was) shown in Figure 5.
Page reference:

Your response

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. Decide whether to use past or present tense:
In our study, tree size __________ (increase) with reduction of pesticides.

Your response

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. Decide whether to use past or present tense:
Females of this species __________ (have) a unique projection from the dorsal part of the thorax.

Your response

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. Decide whether to use past or present tense:
Table 3 __________ (show) that in our study, polychaetes __________ (be) most abundant at depths of 10 to 16 m.

showed correct incorrect

shows correct incorrect

are correct incorrect

were correct incorrect

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. Decide whether to use past or present tense:
Sea urchins __________ (spawn) synchronously in the spring, and seasonal and lunar cycles as well as the presence of phytoplankton __________ (increase) their spawning behavior.

spawned correct incorrect

spawn correct incorrect

increased correct incorrect

increase correct incorrect