Zoology Assignment Help >> Nature and Scope of Zoology and Main Branches

>> Nature and Scope of Zoology and Main Branches

Live Zoology Experts: Nature and Scope of Zoology, Branches of Zoology, Assignment Help

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Nature and Scope of ZoologyThe first study in biology was undertaken by Aristotle (384 - 322 B.C.), father of biology. The term biology was coined by Lamarck and Traviranus (1802).

Biology includes three major branches-Botany, Zoology and Microbiology. Botany is the study of plants. Theophrastus (370 - 287 B.C.) is the father of Botany. Zoology is the concern of animals. Aristotle is the father of Zoology. Microbiology deals with different aspects of micro-organisms.

Live Zoology Experts: Nature and Scope, Main Branches of Zoology, Assignment Help

We at Expertsmind.com are working conti, Zoology and Microbiology. Botany is the study of plants. Theophrastus (370 - 287 B.C.) is the father of Botany. Zoology is the concern of animals. Aristotle is the father of Zoology. Microbiology deals with different aspects of micro-organisms.

Main Branches of Zoology

1. . It includes :

(i) External Morphology: Study of external traits of an organism.

(ii) Internal Morphology: Study of internal structure. It includes:

(a) Anatomy: (ana = up, tome = cutting) Study of internal structure of an organism which can be observed with naked eye.

(b) Histology: (histos = tissue, logos = study): Study of microscopic structure of tissues after fixing, dehydrating, embedding, sectioning and staining.

(c) Cytology: (keytos = cells, logos = study) : Study of form and structure of cells.

3. Cell Biology is the branch of science that deals with the study of the cell as a fundamental unit of living organisms.

4. Molecular Biology: Study nature of bio-molecules and the r interaction.

5. Physiology: (physis = nature or functioning, logos = study) study of different types ot-body functions and processes.

6. Embryology (embryon = embryo, logos = study): The study of events that lead to fertilization, growth, division, and differentiation of zygote into an embryo.

7. Ecology: (eco = place of living, logos = study) Study of living organisms in relation to other organisms and their environment.

8. Genetics: (genetics = descent) Study of inheritance of characters from one generation to the next generation. It includes heredity and variations.

9. Evolution: (e = out, valva = roll) Study of origin of life and the study of continuous genetiC adaptations of organism to the environment.

10. Palaeontology: (palasis = ancient, on = being, logos = study) Study of fossils or the remains or organisms of past geological age. This includes palaeobotany and palaeozoology.

Palaeobotany: Study of fossil -piants.

Palaeozoology: Study of fossil animals.

11. Biogeography: Study of distribution of organism in various parts of earth. In includes phytogeography and Zoogeography.

Phytogeography: Study of distribution of plants.

Zoogeography: Study of distribution of animals.

12. Exobiology: (exo = outside, bios = life, logos = study) Study of possibility of living beings in other planets.

13. Endocrinology: Study of endocrine glands.

14. Parasitology: Study of parasites.