The graph shows the history of the relative numbers of three varieties of bird (X, Y and Z) within a bird species, on a remote island in the Pacific Ocean - HSC - SSCE Biology - Question 30 - 2015 - Paper 1
Question 30
The graph shows the history of the relative numbers of three varieties of bird (X, Y and Z) within a bird species, on a remote island in the Pacific Ocean.
The bird... show full transcript
Worked Solution & Example Answer:The graph shows the history of the relative numbers of three varieties of bird (X, Y and Z) within a bird species, on a remote island in the Pacific Ocean - HSC - SSCE Biology - Question 30 - 2015 - Paper 1
Step 1
What bird varieties originally migrated to the island?
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Answer
The bird varieties that originally migrated to the island are Variety Y and Variety Z. Both varieties are indicated on the graph as having established populations following the migration event.
