an allele
a sickle-cell gene
a dominant gene
a chromosome
a sex-linked character
Correct answer is C
No explanation has been provided for this answer.
A bat's wing and that of a bird, a whale's flippers and the fish's fin are examples of?
adaptive radiation
vestigial structures
continuous variation
convergent evolution
divergent evolution
Correct answer is D
who formulated the theory of natural selection?
Louis pasteur
Robert Hooke
Jean Lamarck
Mathias Schlieden
Charles Darwin
Correct answer is E
No explanation has been provided for this answer.
partial selection
artificial selection
natural selection
mutation
colonization
Correct answer is C
No explanation has been provided for this answer.
Which of the following statements best explain the term aestivation?
A survival device during periods of extreme food and water shortage
A method of survival adopted by plants during the dry season
Animals moving over long distances
A survival method adopted by animals under favourable conditions
A device for rapid multiplication during an abundance of food
Correct answer is A
No explanation has been provided for this answer.