The nitrogenous substance that is excreted by birds in or...
The nitrogenous substance that is excreted by birds in order to conserve water is
ammonia
urea
uric acid
nitric acid
Correct answer is C
No explanation has been provided for this answer.
Competition among individuals of a population ...
A good site for secondary succession would be ...
A green snake in green grass is able to escape notice from predators because of its ...
A serious disadvantage of complexity in higher organisms is ...
Which pollutant is likely to cause cholera? ...
The topmost layer of a typical soil profile is ...
The correct sequence for the perception of smell in mammals is ...
The organelle common to both plant and animal cells is the ...