Defining Biology

What is biology? Is it just a subject that secondary school students study with many diagrams to draw and many terms to cram? Well, it turns out that biology is much more interesting than that. We'll try to define biology in this lesson.

This lesson is part of:

Introduction to Biology

View Full Tutorial

Track Your Learning Progress

Sign in to unlock more practice exams, study note practice quizzes, personalized weak area practice, AI study assistance with Lexi, and detailed performance analytics.

Earlier discussion

39 older comments kept for context.

Ayinde Zainab

Should I summarize

Faith Akolejo

Done ✅

Ngwa Lenora

Done ✅

Jeff Inits

Done ✅

Akinwale Emmanuel

Wonderful

Akinrimisi Joy

Wow this is awesome

Edaki Magdalene

Thank you

Paul Tosin

This app is the best

Gladys Grace

Kudos 💯

Oluwa Nifemi

It was practically nice

Adebanji Mariam

It's amazing

Edidiong Udosen

Very wonderful!

Victor Titus

Here is a concise and rephrased version of the key information in the lesson:

  • Earth is home to a diverse range of life forms, with microorganisms existing for billions of years before the appearance of plants and animals.

  • Mammals, birds, and flowers are relatively recent in the timeline of life on Earth, while humans have inhabited the planet for only the last 2.5 million years.

  • Biology is the study of living organisms and their interactions with each other and their environments.

  • Biologists study everything from the microscopic view of a cell to the ecosystems and the whole living planet.

  • Biology encompasses various aspects discussed in daily news, including outbreaks of bacteria like Escherichia coli, efforts to find cures for diseases like AIDS, Alzheimer's, and cancer, and research on protecting the planet and mitigating climate change.

  • Living things depend on each other and interact with the world they live in, forming the balance of nature.

  • Humans rely on plants and animals for food, raw materials, and oxygen.

  • Biology is considered a life science and is the centerpiece of various specializations and interdisciplinary fields.

  • Life sciences encompass the study of living things from molecular to ecosystem level, including various branches such as anatomy, biochemistry, ecology, genetics, medicine, and zoology.

  • Scientists gather evidence using the scientific method and continually update their understanding based on new evidence.

Victor Titus

Biology is the natural science that studies life and living organisms, including their physical structure, chemical processes, molecular interactions, physiological mechanisms, development, and evolution. This vast field of science can be divided into several branches, such as botany (the study of plants), zoology (the study of animals), microbiology (the study of microorganisms), and many others. Biology explores various aspects of life, from the smallest units of life, like atoms and molecules, to complex ecosystems that encompass a variety of organisms.

Ogunfowokan samuel

It's amazing

Ayinde Zainab

This is really nice and we'll explained.

Oluwaseun Fayomade

It was understandable

Zainab Mayowa

Wow

Praise David

Explained perfectky

Haleemah Emiola

it is very explanatory.

Ayinde Oluwashemilore

This is the best app I have ever came across. It's well detailed than my textbook. I have been able to know more branches of biology.

Sarah Balogun

Very good

Doctor Praise

Correct.
Wouldn't agree more!

Solomon Leyva

I agree with you

DIVINE AFORKOGHENE

Fanscinating,very explanatory

Omoniyi Timilehin

Thanks.

plaz ekwe

Cause it's alsome

Ann Ekwe

Why do you love biology so much huh. I don't see what's interesting in biology💔

plaz ekwe

How are u

Ann Ekwe

This is the best teaching ever. I hope plaz can see this comment👀

plaz ekwe

Already seen it

plaz ekwe

I love this biology lesson. Kudos.
This lesson will help a lot of people out especially me. Study biology. You'll love it.
Once again 👲kudos

John Jimmex

This tutorial is really helpful, kudos to you all

onyeka prince

loving this lesson

Har Dey Horla

Kudos

Okoye Janet

Loving this lesson.

Abah Samson

this site will
help a long way improving
my knowledge .thanks &
kudos to the source

Emmanuel Ifada

am overwhelm,this site will help a long way improving my knowledge .thanks & kudos to the source.

Joshua Mayowa

Great work.
Very explanatory.
Kudos to the source