In this article we will discuss about Fertilisation in Animals:- 1. Meaning of Fertilisation 2. Process of Fertilisation 3. Kinds 4. Significance. Meaning of Fertilisation: The union of the cytoplasm and pronuclei of the male and female gametes is known as the fertilisation (L., fertilis = to bear; frevo = to bear). The fertilisation is the most commonly used method [...]
The following points highlight the twelve parasitic protozoans causing diseases in animals. Some of the protozoans are: 1. Trichomonas hominis 2. Trichomonas gallinae 3. Trichomonas gallinarum 4. Trichomonas foetus 5. Histomonas maleagridis 6. Trypanosoma species 7. Sarcocystis linedamanni 8. Eimeria species and Others. Protozoa # 1. Trichomonas hominis: It is a Mastigophra inhabiting the ileo-caecal region of monkeys, cats and [...]
Experiment to Observe Adaptive Features in Animals! Experiment: Objective: Observe and draw the specimens of earthworm, cockroach, bony fish and bird showing a specific feature and an adaptive feature. 1. Earthworm: Examine the body of an earthworm. It is cylindrical. The body is divided into a number of segments. It has no other appendages. The anterior half has a band [...]