The mechanism of gaseous exchange in living organisms is ...
The mechanism of gaseous exchange in living organisms is essentially by
osmosis
inhalation
diffusion
exhalation
breathing
Correct answer is C
No explanation has been provided for this answer.
Blood clotting is initiated by ...
The importance of practising crop rotation in agriculture is to ...
The axial skeleton is found in the ...
Which of the following is NOT a natural source of energy? ...
The line that represents efficient recycling combined with stringent conservation is ...
The part of the mammalian brain responsible for maintaining balance is ...
The importance of the mouth-brooding behaviour in Tilapia is that it ...
Which of the following activities is not necessary in population sampling? ...