The solution to the above question using the formula f=1/T where. T=0.5seconds is f=1/0.5= 2 hertz
The answer is C. Fertilization. hope I helped.
The correct answer is option B
The fishes that live in the shallow water along the sea floor needs a flattened shape and eyes on the dorsal side because they need to see above and have least possibility that the eyes will be required to see downwards as they lie at the sea floor.
They have tail for protection and flattened body for easy swimming.
Example: Stingray.
Problem solving I believe
