To understand and know about a large number of organisms in the world, scientists use a process called classification. Classification involves categorizing organisms into groups based on their shared characteristics and evolutionary relationships. Here's why classification is important:

1. Organization: Classification provides a systematic and organized way to study and understand the vast diversity of organisms. By grouping similar organisms together, scientists can analyze and compare their traits, behaviors, and relationships.

2. Identification: Classification allows for the identification and naming of organisms. Each species is assigned a unique scientific name, which facilitates effective communication among scientists and avoids confusion that can arise from using different common names in different regions.

3. Taxonomy: Classification forms the foundation of taxonomy, which is the science of naming, describing, and classifying organisms. Taxonomy helps scientists develop a standardized system to classify and organize all living organisms.

4. Evolutionary Relationships : Classification reflects the evolutionary relationships between organisms. By studying the similarities and differences in their characteristics, scientists can determine how different species are related to each other and understand the patterns of evolution.

5. Research and Conversion : Classification aids in scientific research and conservation efforts. By knowing the different groups of organisms and their unique characteristics, scientists can study their ecological roles, behavior, distribution, and responses to environmental changes. This knowledge is crucial for effective conservation and management strategies.

6. Discovering New Species: Classification helps in identifying and documenting new species. By comparing new organisms to existing classified groups, scientists can determine if they belong to a known species or if they represent a new and distinct species. This contributes to our understanding of biodiversity.

In summary, classification is essential for organizing, identifying, studying evolutionary relationships, conducting research, and conserving the vast diversity of organisms on Earth. It provides a framework for scientists to explore and comprehend the multitude of species that exist, even when the number of organisms exceeds what can be individually counted.