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๐ What are Living Things?
Living things are organisms that can grow, change, reproduce, and need energy to survive. They interact with their environment and respond to changes around them. Plants, animals, fungi, and bacteria are all examples of living things.
๐ฑ A Little History
Long ago, people simply classified things as either plants or animals. Over time, as scientists learned more using microscopes and experiments, they realized there's much more to it! The study of living things is called biology, and it helps us understand how life works.
๐งฌ Key Principles of Living Things
- ๐ Organization: Living things are organized into cells, which are their basic building blocks.
- ๐ Nutrition: They need to obtain and use energy from food or sunlight.
- ๐จ Respiration: Living things breathe or exchange gases with their environment.
- ๐ช Movement: Many living things can move from one place to another.
- ็้ฟ ๐ฑ Growth: They increase in size and complexity over time.
- ็นๆฎ ๐ฅ Reproduction: Living things create new organisms like themselves.
- ๆๅบ ๐ก๏ธ Sensitivity: They can detect and respond to changes in their surroundings.
๐ Real-World Examples
Let's explore some examples of living things around us:
- ๐ถ Dog: A dog eats food, breathes air, runs around, grows from a puppy, and can have puppies.
- ๐ท Rose Bush: A rose bush uses sunlight to make food, takes in water, grows taller, and produces beautiful roses.
- ๐ Mushroom: A mushroom grows in the soil, absorbs nutrients, and releases spores to create more mushrooms.
๐งช How to Tell if Something is Living
Here's a simple way to remember:
| Characteristic | Living Thing | Non-Living Thing |
|---|---|---|
| Needs food | Yes | No |
| Grows | Yes | No |
| Reproduces | Yes | No |
| Moves (on its own) | Often | Never |
โญ Conclusion
Understanding what defines a living thing is the first step to exploring the fascinating world of biology! Keep observing and asking questions โ there's so much to discover! ๐
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