Green plants are important in the ecosystem because they ...
Green plants are important in the ecosystem because they are
primary consumers
producers
decomposers
secondary consumers
scavengers
Correct answer is B
No explanation has been provided for this answer.
Active transport differs from diffusion in that active transport ...
Which of these is not correct about the tse-tsefly and mosquito? They ...
The ventricles of the mammalian heart have thicker muscular walls than the auricles because the ...
Which of the following statements is not true about continuous variation? It ...
Which of the following is a characteristic of cells related to irritability? ...