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Biology 11th Edition by Gerald Audesirk,Teresa Audesirk,Bruce Byers
النسخة 11الرقم المعياري الدولي: 978-0134168296Biology 11th Edition by Gerald Audesirk,Teresa Audesirk,Bruce Byers
النسخة 11الرقم المعياري الدولي: 978-0134168296 تمرين 21
Extinction
A) generally does not occur except during unpredictable mass extinctions.
B) ordinarily occurs at a relatively slow but steady rate.
C) has eliminated species at a faster rate than they have been formed.
D) has not played a major role in the history of life.
A) generally does not occur except during unpredictable mass extinctions.
B) ordinarily occurs at a relatively slow but steady rate.
C) has eliminated species at a faster rate than they have been formed.
D) has not played a major role in the history of life.
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Unpredictable mass extinctions occur dur...
Biology 11th Edition by Gerald Audesirk,Teresa Audesirk,Bruce Byers
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