In ecological succession, since Iichens grow on bare rock...
In ecological succession, since Iichens grow on bare rock, they are considered to be
primary consumers
pioneer organisms
climax organisms
producers
Correct answer is B
No explanation has been provided for this answer.
The above diagram represents a ...
Which of these vertebrae is of the same number in man and rabbit? ...
The structure labelled A represents the ...
Which of the labelled parts is the diastema? ...
The membrane around the vacuole is known as ...
Which of the following is NOT a function of placenta in mammals? ...