In this article we will discuss about:- 1. Introduction to Metamorphosis in Insects 2. Causation of Molting in Insects 3. Factors Controlling 4. Mechanism of Action of Insect Hormones. Introduction to Metamorphosis in Insects: In any consideration of metamorphosis in insects, it must be taken into account that metamorphosis in these animals is a special form of molting (the periodic [...]
In this article we will discuss about:- 1. Digestive System of Cockroach 2. Respiratory System of Cockroach 3. Circulatory System 4. Excretory System 5. Nervous System 6. Reproductive System. Digestive System of Cockroach: Digestive system of cockroach consists of the mouth parts, a long alimentary canal and a pair of salivary glands. Alimentary Canal: The alimentary canal consists of three [...]
In this article we will discuss about:- 1. Digestive System of Earthworm 2. Respiratory System of Earthworm 3. Circulatory System 4. Excretory System 5. Nervous System 6. Sense Organs 7. Reproductive System. Digestive System of Earthworm: The digestive system of earthworm consists of the alimentary canal and the digestive glands. The alimentary canal is a straight tube running throughout the [...]