<span>The female frog's reproductive system is consist of a pair of ovaries and a pair of oviducts. The ovaries are attached to the kidneys. The kidneys carry countless ova which are released to outside through the oviducts. </span><span>In the breeding season, the male and the female frogs enter into a temporary union called amplexus. The male holds the female, presses her trunk and thereby forces the female to release the eggs, the male frog then releases the sperms immediately to bring about exterior fertilization.</span>
The discipline which would be responsible for collecting data about currents and tides is oceanography. It is a study of all the changes and aspects of the ocean. It analyses, collects and monitors information that refers to the dynamic of all the natural processes that take place in the ocean, including ocean currents, waves, and geophysical processes.
A magnifying glass (called a hand lens in laboratory contexts) is a convex lens thatis bigto produce a magnified image of an object. The lens is usually mounted in a frame with a handle