Biodiversity: A Poetic Journey | Class 12 Biology Chapter 13

Introduction – The Web of Life

In nature’s lap, so vast and wide,
A million species live side by side.
From oceans deep to mountain high,
Biodiversity makes Earth thrive.

Every creature, big or small,
Plays a role, crucial for all.
Plants, animals, fungi too,
Microbes unseen, but part of the crew.


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Biodiversity – The Treasure We Hold

The term itself, so vast, so deep,
A gift of life that we must keep.
Genes, species, ecosystems bright,
Together they form a wondrous sight.

Genetic Diversity – The DNA’s Play

Within each species, genes do change,
Making traits and forms rearrange.
Different breeds, colors, and size,
Adaptation helps them survive.

Species Diversity – Life’s Vast Array

From lions roaring in jungle deep,
To coral reefs where fishes creep.
Different species, countless kinds,
Each with a role that nature binds.

Ecosystem Diversity – Nature’s Art

Forests green and deserts dry,
Grasslands stretch beneath the sky.
Rivers flow and oceans gleam,
Each ecosystem fuels Earth’s dream.


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Patterns of Biodiversity – The Earth's Design

Life is spread, yet not the same,
Some places rich, some with a name.

Latitudinal Gradients – The Equator’s Might

Closer to the equator, life does bloom,
Tropical forests in lush costume.
As we move to poles so cold,
Species decrease, as stories told.

Species-Area Relationship – Space and Life

Larger the area, greater the life,
More species flourish, less the strife.
Yet, human greed shrinks their space,
Leading life to a slower pace.


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Biodiversity Loss – A Sorrowful Tune

Yet, amidst this wondrous grace,
Species vanish without a trace.

Causes of Loss – A Human Blight

Deforestation, hunting spree,
Pollution chokes the land and sea.
Climate changes, habitats die,
Nature fades with every sigh.

Extinction’s Toll – A Silent Cry

Natural, slow, through ages passed,
But humans made it swift and vast.
Once they roamed, the dodo free,
Now in books, their tales we see.


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Conservation – The Need of the Hour

Yet hope still shines, if we unite,
To save the world, to make it bright.

In-situ Conservation – Protecting Home

National parks and sanctuaries stand,
Where species thrive in nature’s land.
Sacred groves, untouched, pure,
A haven where life feels secure.

Ex-situ Conservation – Sheltering Away

Zoos and banks that save the gene,
Protecting life where none is seen.
Cryopreservation, seed vault’s grace,
A hope to save the dying race.


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The Convention of Life – Global Efforts

Across the world, nations rise,
To save the Earth, to clear the skies.

Biodiversity Act, a legal shield,
Conservation goals, a hope to yield.
With treaties strong and action bold,
A future green, we must uphold.


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Conclusion – A Call to Care

Nature whispers, loud and clear,
Protect me now, let life endear.
For every creature, plant, and tree,
Forms a world, wild and free.

Let’s conserve, let’s protect,
A future bright, we must perfect.
For in their life, our life depends,
Save biodiversity—before it ends.


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FAQs – Frequently Asked Questions

Q1: What is biodiversity?

A: Biodiversity refers to the variety of life forms, including genes, species, and ecosystems, present on Earth.

Q2: Why is biodiversity important?

A: Biodiversity maintains ecological balance, provides resources, and supports human survival.

Q3: What are the types of biodiversity?

A: The three types are genetic diversity, species diversity, and ecosystem diversity.

Q4: What are the major causes of biodiversity loss?

A: Habitat destruction, pollution, climate change, over-exploitation, and invasive species.

Q5: What are the methods of biodiversity conservation?

A: In-situ conservation (e.g., national parks) and ex-situ conservation (e.g., gene banks, zoos).

Q6: What is the species-area relationship?

A: It states that larger areas support more species due to greater habitat variety.

Q7: What is the significance of sacred groves in biodiversity conservation?

A: Sacred groves are forest patches protected by communities, serving as safe zones for species.

Q8: What is the role of conservation organizations?

A: They work globally to protect species and ecosystems through laws, treaties, and research.

Q9: How does climate change affect biodiversity?

A: It alters habitats, disrupts food chains, and leads to species extinction.

Q10: What can individuals do to protect biodiversity?

A: Reduce waste, plant trees, conserve water, avoid plastics, and support conservation initiatives.


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Final Thought

Biodiversity is Earth’s heart and soul,
Protecting it must be our goal.
Act today, let nature thrive,
For future generations to survive.

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