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Task 1: Enter the correct verb tense into each box in the following passage. The base form of the verb is supplied in brackets. Then check your answers by clicking on the button next to each box.      1-      Has fallen 2-    Has grown 3-      Have contributed 4-      Were 5- […]

Language Test



Oliverio Llobet and Francisco Aresi   Biology Exam Chapter 19   1.What are confusing butterflies?   2.Make a chart between discontinuous variation and continús variation   3.Give an example of genetic variation?   4.Name the causes of genetic variation   5.Name the adaptive features   6.What makes the stomata to […]

Questions of biology