In this article we will discuss about Mammals: 1. Introduction to Mammals 2. Locomotion in Mammals 3. Sense Organs 4. Hearing and Balance 5. Origin. Contents: Introduction to Mammals Locomotion in Mammals Sense Organs in Mammals Hearing and Balance in Mammals Origin of Mammals 1. Introduction to Mammals: Mammals occupy the highest position in the ladder of evolution. The structural [...]
Let us learn about the comparison of heart between lata, toad, lizard, pigeon and pig. Comparison # Lata: 1. Location: Heart is situated ventral to the oseophague in the pericardial section of the coelom. 2. Covering: The heart is covered by a transparent protective covering, called pericardium. It is a single layer in fish. Within pericardium there is a pericardial [...]
The following points highlight the the seven main integumentary derivatives in mammals. The integumentary derivatives are: 1. Glands 2. Hair 3. Colour 4. Claws, Nails and Hoofs 5. Horns 6. Antlers 7. Epidermal Scales. Integumentary Derivative # 1. Glands: A large variety of epidermal glands is present in the skin of mammals. These glands are tubular or alveolar in nature [...]