What is Ecosystem _ It’s Meaning and Definition A system that includes all living organisms.

What is Ecosystem _ It’s Meaning and Definition A system that includes all living organisms.

Ecosystem: Meaning and Definition

An ecosystem is a system that includes all living organisms (plants, animals, and microorganisms) interacting with each other and with their non-living environment (such as air, water, and soil) within a specific area.

Definition of Ecosystem:

An ecosystem is a community of biotic (living) and abiotic (non-living) components that interact with each other in a specific environment to sustain life.

Key Components of an Ecosystem:

1. Biotic Components (Living):

   • Plants (Producers)

   • Animals (Consumers)

   • Microorganisms (Decomposers)

2. Abiotic Components (Non-Living):

   • Sunlight

   • Water

   • Air

   • Soil

Types of Ecosystems:

1. Terrestrial Ecosystem – Found on land (e.g., Forests, Deserts, Grasslands).

2. Aquatic Ecosystem – Found in water (e.g., Oceans, Rivers, Lakes).

Importance of Ecosystems:

• Maintain ecological balance.

• Support biodiversity.

• Provide oxygen, food, and resources.

In short, an ecosystem is a self-sustaining unit of nature where living beings coexist and interact with their surroundings!

Here’s a clear explanation of “Ecosystem” — its meaning, definition, and key concepts:

What is an Ecosystem?

Meaning:

An ecosystem is a natural unit made up of all living organisms (plants, animals, microbes) and non-living components (air, water, soil, sunlight) that interact with each other in a specific area.

Definition:

An ecosystem is a community of living organisms (biotic components) interacting with each other and with their non-living environment (abiotic components) in a particular area.

Key Components of an Ecosystem:

Biotic Components (Living):

• Producers: Plants (make food via photosynthesis)

• Consumers: Animals (herbivores, carnivores, omnivores)

• Decomposers: Bacteria, fungi (break down dead matter)

Abiotic Components (Non-Living):

• Sunlight

• Water

• Air

• Temperature

• Soil

Types of Ecosystems:

How Ecosystems Work:

1. Producers make food.

2. Consumers eat producers or other consumers.

3. Decomposers break down waste/dead material.

4. Nutrients and energy are recycled through food chains and food webs.

Why Ecosystems Are Important:

• Maintain ecological balance

• Support biodiversity

• Provide natural resources (food, water, medicine)

• Regulate climate and pollution

Simple Example:

In a pond ecosystem:

• Producers: Algae, aquatic plants

• Consumers: Fish, frogs, insects

• Decomposers: Bacteria in water

• Abiotic factors: Water, sunlight, oxygen, temperature

Let me know if you’d like:

• A diagram of an ecosystem

• MCQs or a quiz for practice

• Ecosystem types for different class levels (6–12)

What is Ecosystem _ It’s Meaning and Definition A system that includes all living organisms.

Lecture 4. Ecosystems: Definition, concept, structure and …

• Unit-2 Ecosystems Amit K. Singh Dr.Deepak Singh

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