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Punctuated equilibrium is a biological theory that regards evolution not as a gradual process by which one species slowly and continuously transforms into another, rather a process in which species were remaining stable for long periods and then have dramatic change in isolated short bursts.
A. rather a process in which species were remaining stable for long periods and then have dramatic change
B. but as a process in which species remain stable for long periods and change dramatically
C. but a process in which species remain stable for long periods and then have dramatic change
D. but as a process in which species remained stable for long periods and changing dramatically
E. but also as a process in which species were remaining stable for long periods and were changing dramatically
A. rather a process in which species were remaining stable for long periods and then have dramatic change
B. but as a process in which species remain stable for long periods and change dramatically
C. but a process in which species remain stable for long periods and then have dramatic change
D. but as a process in which species remained stable for long periods and changing dramatically
E. but also as a process in which species were remaining stable for long periods and were changing dramatically
02 Apr 2022, 05:15
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Bunuel
Punctuated equilibrium is a biological theory that regards evolution not as a gradual process by which one species slowly and continuously transforms into another, rather a process in which species were remaining stable for long periods and then have dramatic change in isolated short bursts.
A. rather a process in which species were remaining stable for long periods and then have dramatic change
B. but as a process in which species remain stable for long periods and change dramatically
C. but a process in which species remain stable for long periods and then have dramatic change
D. but as a process in which species remained stable for long periods and changing dramatically
E. but also as a process in which species were remaining stable for long periods and were changing dramatically
A. rather a process in which species were remaining stable for long periods and then have dramatic change
B. but as a process in which species remain stable for long periods and change dramatically
C. but a process in which species remain stable for long periods and then have dramatic change
D. but as a process in which species remained stable for long periods and changing dramatically
E. but also as a process in which species were remaining stable for long periods and were changing dramatically
Magoosh Official Explanation
This is a SC question about punctuated equilibrium.
Split #1a: The correct idiom is "not X but Y." We need the second half of the sentence to begin with the word "but. (A) does not complete this idiom correct, so they are wrong. The construction "not X but also Y" confuses the "not X but Y" idiom with the "not only X but also Y" idiom — "not X but also Y" does not construct either correctly, so (E) is wrong.
Split 1b: this X and Y must be parallel. The first part begins "as a gradual process by which …", so the second part, after the "but", must also begin with "as" — only (B) does this, so that's the correct answer.
Split #2: notice also the verb tenses. (D) has a past tense in parallel with a present tense, so that doesn't fit the context. Similarly, (A) has the past progressive in parallel with the present tense, so that's also inappropriate to this context. (E) has both verbs in the past progressive tense, but that's unusual, because what we're discussing is an ongoing process, how evolution continues to take place in the natural world. Both (B) and (C) have the simple present test, which is correct and which mirrors the simple present test of "transforms" before the underlined part. (C) does have the awkward wording, "have dramatic change", instead of "change dramatically" — as a general rule, if you have a choice — action as noun vs. action as verb — always choose the latter. Actions should be expressed as verbs as much as possible. Again, this makes (B) the best answer.
Answer = B.
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