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Animal Kingdom - 1 PPT Biology Class 11

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FAQs on Animal Kingdom - 1 PPT Biology Class 11

1. What is the animal kingdom?
Ans. The animal kingdom, also known as the kingdom Animalia, is a major group of living organisms that includes multicellular organisms with well-defined tissues and organs. It encompasses a wide range of species, including mammals, birds, reptiles, amphibians, fish, and invertebrates.
2. How many species are there in the animal kingdom?
Ans. The exact number of species in the animal kingdom is not known, as new species are continuously being discovered. However, it is estimated that there are around 7.8 million known animal species on Earth. This number is expected to increase as more research and discoveries are made.
3. What are the main characteristics of animals?
Ans. Animals share several key characteristics, including being multicellular, eukaryotic organisms. They are heterotrophs, meaning they obtain their energy by consuming other organisms. Animals also have specialized cells, tissues, and organs that perform specific functions, such as digestion, respiration, and reproduction.
4. How are animals classified in the animal kingdom?
Ans. Animals are classified into various groups based on their characteristics and evolutionary relationships. The classification system includes several levels, such as kingdom, phylum, class, order, family, genus, and species. Each level represents a progressively more specific grouping based on shared traits and ancestry.
5. What is the importance of the animal kingdom?
Ans. The animal kingdom is of immense importance to ecosystems and the overall balance of nature. Animals play vital roles as pollinators, seed dispersers, predators, and prey, contributing to the stability and functioning of ecosystems. Additionally, many animals provide valuable resources for humans, including food, clothing, and companionship. Understanding and conserving the animal kingdom is crucial for maintaining biodiversity and the health of our planet.
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