In this article we will discuss about the endocrine system of toad. The endocrine (endos = within; krine = separate) system includes a number of ductless glands which secrete chemical substances called hormones (hormao —excite) directly into the blood stream. They are thus distinguished from the exocrine glands, such as liver, which pour out their secretions externally through ducts. The [...]
In this article we will discuss about:- 1. Breeding of Toad 2. Fertilization of Egg in Toad 3. Embryonic Development 4. Larval Stage 5. Metamorphosis. Breeding of Toad: Toads breed during the rainy season. Males come by the side of a suitable pond or ditch and begin to croak loudly by inflating their vocal sac. Invited by the song, the [...]
The below mentioned article provides a paragraph on toad. The young toad is a terrestrial creature. It feeds voraciously and continues to grow. Since toads destroy insects, they are beneficial to man. The animal is habitually shy but when attacked by a snake it puffs up and assumes an aggressive posture. This curious habit is a means for its protection, [...]