In this article we will discuss about:- 1. Introduction to Metamorphosis in Amphibians 2. Causation of Metamorphosis in Amphibians 3. Tissue Reactivity 4. Induction. Introduction to Metamorphosis in Amphibians: In amphibians, metamorphosis is associated in typical cases with a transition from an aquatic to a terrestrial mode of life. Super-imposed on this change in environment, there is in the anurans [...]
In this article we will discuss about:- 1. Digestive System of Frog 2. Respiratory System of Frog 3. Circulatory System 4. Excretory System 5. Nervous System 6. Sense Organs 7. Reproductive System. Digestive System of Frog: Frog is a carnivorous animal. It feeds on small insects, spiders, worms, tadpoles and even smaller frogs. Generally only moving animals are caught and [...]
In this article we will discuss about the external structure of toad. This will also help you to draw the structure and diagram of toad. Toad has a short bilaterally symmetrical body (Fig. 1.61). There is no exoskeleton over the skin, i.e., the skin is naked skin is rough in texture. The dorsal side of the body is blackish-gray while [...]