8 Questions
Biology is one of the ______ sciences which deals with life or living organisms.
natural
Career in biology can be immensely ______ and exciting.
rewarding
Biology is a ______ science, that requires a knowledge and understanding of chemistry, physics and mathematics.
multidisciplinary
16 out of the 92 naturally occurring ______ are of significance in the bodies of living organisms.
elements
Six elements i.e Hydrogen, Carbon, Oxygen, Nitrogen, Phosphorus and ______ are the essential elements of the living bodies.
Calcium
In biological organizations the atoms form the elements, which are organized into ______, compounds into cells, cells into tissues, tissues into organs, organs into system and system into an organism.
compounds/molecules
Similar organisms which can ______ and produce fertile offspring form the species.
interbreed
In division of ______ the work of keeping an organism alive is often divided among the different parts of its body.
labour
Study Notes
Biology Overview
- Biology is a natural science that studies life and living organisms.
- It is a multidisciplinary field that requires knowledge of chemistry, physics, and mathematics.
Career Paths in Biology
- Biology careers can be rewarding and exciting.
- Examples of biology careers include horticulture, forestry, and medicine.
Essential Elements in Living Organisms
- 16 out of 92 naturally occurring elements are significant in living organisms.
- Six essential elements in living bodies are Hydrogen, Carbon, Oxygen, Nitrogen, Phosphorus, and Calcium.
Biological Organization
- Atoms form elements, which are organized into compounds/molecules.
- Compounds/molecules are organized into cells, cells into tissues, tissues into organs, organs into systems, and systems into organisms.
- Cell is the structural and functional unit of all living organisms.
Species and Population
- Similar organisms that can interbreed and produce fertile offspring form a species.
- Members of the same species living together in close association in a particular area form a population.
- Living together of different populations constitutes a community.
Cellular Organization
- Cellular organization can be of three types: Unicellular organization, colonial organization, and multi-cellular organization.
Division of Labour
- In division of labour, the work of keeping an organism alive is divided among its different parts.
- Each part performs a specific job.
Test your knowledge about biology and explore different career paths in the field. Learn about the elements essential for living organisms and discover the significance of various natural sciences in biology.
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