the potential for discovery through studying frog eggs

... known to lay more than 3,000 eggs. Frogs breeding in cascading mountain streams lay far fewer eggs, usually no more than 200. The problem of fertilization ... Apr 19, 2014 ... The eggs hatch and then the amphibians are called larvae. (LAR-vee). Larvae have round bodies with tails. We call frog and toad larvae tadpoles. Feb 24, 2017 ... While some frogs, like the American Bullfrog and Green Frog, will call ... Wood Frog eggs look very different when they are first laid ... Leopard frogs are attracted to leopard frog calls and chorus frogs to chorus frog calls. The female frogs will lay masses of eggs in the water where the ... The frog ear is called a tympanum and is the circle you see behind a frog's eye. ... Frog eggs do not have a shell, so they need some kind of moisture to keep ... Aug 2, 2019 ... Several residents have asked me “What were those strange, jelly-like, blobs stuck to my dock this summer that look sort of like frog eggs?” They ... This upper portion is called the animal hemisphere of the egg. Footnotes. *. As we will see in later chapters, there are numerous ways by which the synthesis of ... During the breeding season, males can be heard making quack-like calls day and night. Females lay masses of 1,000 to 3,000 eggs, which hatch between 9 and 30 ... Almost all frogs fertilize the eggs outside of the female's body. The male holds the female around the waist in a mating hug called amplexus. He fertilizes the ... Dec 1, 2012 ... Frogfish, also known as anglerfish, have a highly modified first spine of the dorsal fin called the illicium, that can be rotated freely and works like a ...