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Exploring the Fundamental Concepts of Life Sciences in Biology

Biology students are highly encouraged to go through this article highlighting the main concepts of life sciences and why we should study it. Read this Biology article, created after thorough research by subject experts, to understand and learn about Life Science, important terms related to it, the different branches under Life Sciences and some relevant questions related to the topic.

What is Life Science?

Life science is the study of living organisms and different life processes. It helps in understanding biological concepts at molecular and cellular levels. Life science is a vast study field that covers everything- from the ocean’s surface to the microorganisms in your gut. It is also called Biological Science, as it involves the study of how living beings dwell and how we may improve our lives. Life science is an umbrella term that includes the different branches related to Life Science, which we will cover in this article.

What is the Importance of Life Sciences?

The study of life sciences empowers us to answer fundamental questions such as-

  • Where did we come from? 

  • What are we made of? 

  • Is our existence a miracle, or is there some science behind it? 

  • How are we interlinked with the natural world?

Life sciences touch every area of our existence - from health care to the environment to advancements in medicine. They provide an understanding of life, the cycle of existence, and degeneration and illness. Life sciences help us comprehend how life is interconnected with our world, which further aids researchers to integrate the latest advancements in academic subjects with new, improved analytical tools from other fields of science. The study of the Life Sciences also allows the development of innovative medical devices, thereby directly improving human health.

Basic Branches Under Life Sciences

Here are some basic branches of life science examples and their definitions.

  1. Anatomy: The study of structure, functions, and parts of the human body.

  2. Biochemistry: The study of the chemical reactions required for life to exist and function, usually on the cellular level.

  3. Biotechnology Life Sciences: The study of the manipulation of living matter, including genetic modification and synthetic biology.

  4. Botany: The study of plants.

  5. Cell biology: The study of the cell and the molecular and chemical interactions occurring within a living cell.

  6. Ecology: The study of the interactions of living organisms and the non-living elements of their environment.

  7. Entomology: The study of insects.

  8. Evolutionary Biology: The study of the origin and descent of species over time

  9. Genetics: The study of genes and heredity.

  10. Microbiology: The study of microorganisms and their interactions with other organisms.

  11. Molecular Biology: The study of biology and biological functions at the molecular level.

  12. Neuroscience: The study of the nervous system.

  13. Physiology: The study of the functioning of living organisms and the organs and parts of living organisms.

  14. Toxicology: The study of the effects of chemicals on living organisms.

  15. Zoology: The study of animals, including classification, physiology, development, and behaviour.

Lesser Known Facts About Life Sciences

  1. The human body has around 38 trillion cells, which carry out different functions essential for everyday living.

  2. Bacteria are a crucial part of the ecosystem and aid processes such as the production of gases like oxygen, carbon dioxide and nitrogen and minerals like nitrogen, sulphur, etc.

  3. The human brain contains 100 billion neurons, forming more connections than there are stars in the Milky Way galaxy.

  4. The DNA of humans is 99.9% identical to that of other humans.

  5. The diversity of life on Earth results from billions of years of evolution through natural selection.

4 Easy Steps to Learn From Master Teachers!

Learn through videos on each topic for each class or book a free demo session with our expert academic counselors, who will patiently resolve all your queries, by heading to the bottom of the page.

To get your Vedantu’s online tuition-free demo class for Biology preparation, follow the given steps:

  1. Go to Vedantu’s website.

  2. On the homepage, click on the “Courses” tab.

  3. Go to “Find Courses by Classes”.

  4. Click on your class and book your free session.


We hope you have learned much about Life Science examples and their importance. Click on the respective topics under Life Science that you want to study, and quench your curiosity at Vedantu!

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FAQs on Life Sciences

1. Why should I choose Vedantu to study Life Sciences in Biology?

Vedantu’s study materials related to any particular subject and concept are thoroughly researched and written by experts. With the in-depth explanation of the concepts and relevant FAQs at the end, students can ensure their overall preparation of the topics for free.

2. What is the difference between Biology and Life Sciences?

Here are the major differences:


Life Science

It is a broad branch of science.

It is a subset of Biology and comprises major fields of science.

It is the study of life, which is applied in different fields.

It is a study of life processes and organisms.

It helps establish a basic foundation for the different concepts.

It helps examine the topics at molecular and cellular levels.

The disciplines of biology include zoology, botany, etc.

The disciplines of life sciences include immunology, molecular biology, etc.

3. What is the scope of studying life sciences?

People can choose among some of the following careers:

  • Pharmacologist

  • Microbiologist

  • Biotechnologist

  • Biochemist

  • Epidemiologist

  • Research assistant

  • Molecular biologist, etc.

4. How do the Life Sciences in Biology relate to other branches of science?

Life science is related to other branches of science, including chemistry, physics, and earth sciences. For example, biochemistry combines chemistry and biology to study the chemical processes occurring within living organisms. Physiology includes physics and engineering principles to understand the body's functions and structure.

5. Where can I find study material related to life sciences?

Vedantu provides comprehensive study material for all the subjects and topics covered under them. Students can visit Vedantu’s website and download the free PDFs of respective topics they want to learn to study whenever they want.