The nitrifying bacteria, Nitrosomonas, converts ammonia to
nitirites
nitric acid
nitrates
nitrous oxide
Correct answer is A
No explanation has been provided for this answer.
The dental formula 13/3 c1/1 pm4/4 m2/3 is that of a
goat
rabbit
man
dog
Correct answer is D
No explanation has been provided for this answer.
magnesium
nitrogen
potassium
phosphorus
Correct answer is C
No explanation has been provided for this answer.
Which is the most important adaptation of a bony fish life in water?
The possession of a streamlined shape
The presence of overlapping scales
the covering of the body by a thin film of slime
The possession of a caudal fin
Correct answer is A
No explanation has been provided for this answer.
Which of the following combinations differentiates a bony fish from a cartilaginous fish?
I, II, and III
I, III, and IV
II, III, and IV
II, III, and V
Correct answer is A
No explanation has been provided for this answer.