In the diagram, the variation illustrated is
discontinuous
morphological
physiological
biochemical
Correct answer is B
No explanation has been provided for this answer.
In the diagram, the change in the length of the neck of the giraffes shown was brought about by
geographical isolation
predation
symbiosis
natural selection
Correct answer is D
No explanation has been provided for this answer.
In the diagram, the part labelled I represents the
base pairs
ribose sugar
phosphate linkage
deoxyribose sugar
Correct answer is A
No explanation has been provided for this answer.
The diagram represents the structure of
proteins
chromosones
RNA
DNA
Correct answer is D
No explanation has been provided for this answer.
In the diagram, the organ through which the embryo receives food, water, and oxygen is labelled
iii
iv
ii
i
Correct answer is C
No explanation has been provided for this answer.
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