Class 10 (Science Assignments)

 

Classification of Living Beings

Living organisms are found everywhere on Earth. Some are very small, like bacteria, while others are very large, like elephants and trees. Because there are millions of different organisms, scientists classify them into groups based on their similarities and differences. This process is called biological classification.

Classification helps scientists study living beings easily and understand their relationships. One of the most popular systems of classification was proposed by Robert H. Whittaker in 1969. He divided living organisms into five kingdoms: Monera, Protista, Fungi, Plantae, and Animalia.

Organisms in kingdom Monera are simple and unicellular. Bacteria are examples of this kingdom. Fungi, such as mushrooms and yeast, cannot prepare their own food and depend on dead organic matter. Plants make their own food by photosynthesis, while animals depend on plants or other animals for food.

Scientists also use binomial nomenclature to give scientific names to organisms. In this system, each organism has a two-word scientific name. This helps scientists around the world identify organisms correctly.

Questions

1.     What is biological classification?

2.     Why do scientists classify living organisms?

3.     Who proposed the five-kingdom classification system?

4.     Name the five kingdoms of living organisms.

5.     Give one example of kingdom Monera.

6.     Why can fungi not prepare their own food?

7.     How do plants make their food?

8.     What is binomial nomenclature?

9.     How many words are used in a scientific name?

10.  Why is scientific naming important?