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Questions and Answers
Biology is one of the ______ sciences which deals with life or living organisms.
Biology is one of the ______ sciences which deals with life or living organisms.
natural
Career in biology can be immensely ______ and exciting.
Career in biology can be immensely ______ and exciting.
rewarding
Biology is a ______ science, that requires a knowledge and understanding of chemistry, physics and mathematics.
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.
16 out of the 92 naturally occurring ______ are of significance in the bodies of living organisms.
Six elements i.e Hydrogen, Carbon, Oxygen, Nitrogen, Phosphorus and ______ are the essential elements of the living bodies.
Six elements i.e Hydrogen, Carbon, Oxygen, Nitrogen, Phosphorus and ______ are the essential elements of the living bodies.
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.
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.
Similar organisms which can ______ and produce fertile offspring form the species.
Similar organisms which can ______ and produce fertile offspring form the species.
In division of ______ the work of keeping an organism alive is often divided among the different parts of its body.
In division of ______ the work of keeping an organism alive is often divided among the different parts of its body.
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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.
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