Which of the following is an example of variation?
...Which of the following is an example of variation?
Blood
Tongue rolling
Reproduction
Growth
Correct answer is B
No explanation has been provided for this answer.
Fishes are cold blooded because their body temperature is ...
Which of these pairs best illustrates a symbiotic association? ...
In the diagram, the structure labelled I is sensitive to ...
An onion is a bulb because it ...
The function of the amniotic fluid in humans is to ...
One major difference between plant and animal nutrition is the ability of plants to synthesize ...
Which of the following habitats cannot be used for the study of succession? ...