UPSC Exam > UPSC Videos > Zoology Optional Notes for UPSC > Animal Kingdom - 1
Animal Kingdom - 1 Video Lecture | Zoology Optional Notes for UPSC
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FAQs on Animal Kingdom - 1 Video Lecture - Zoology Optional Notes for UPSC
| 1. What are the major classifications of the animal kingdom? |  |
Ans.The animal kingdom is primarily classified into two main groups: invertebrates and vertebrates. Invertebrates lack a backbone and include phyla such as arthropods, mollusks, and annelids. Vertebrates, on the other hand, possess a backbone and are divided into five major classes: fish, amphibians, reptiles, birds, and mammals.
| 2. How do animals in the animal kingdom reproduce? | |
Ans.Animals reproduce in several ways, including sexual and asexual reproduction. Sexual reproduction involves the fusion of male and female gametes, leading to genetic diversity. Asexual reproduction, common in invertebrates, involves processes such as budding, fragmentation, or parthenogenesis, allowing for the creation of offspring without the need for a mate.
| 3. What role do animals play in the ecosystem? | |
Ans.Animals play crucial roles in ecosystems as consumers, pollinators, and decomposers. They help maintain ecological balance by controlling populations of other species, facilitating plant reproduction through pollination, and aiding in nutrient cycling through decomposition. Each animal species contributes to the overall health and functioning of its habitat.
| 4. What adaptations do animals have for survival? | |
Ans.Animals have developed various adaptations to survive in their environments, including physical, behavioral, and physiological traits. Physical adaptations may include camouflage, body size, and specialized limbs, while behavioral adaptations involve migration, hibernation, or social structures. Physiological adaptations can include changes in metabolism or temperature regulation.
| 5. How do scientists study and classify new animal species? | |
Ans.Scientists study and classify new animal species through a process called taxonomy, which involves the identification and naming of species based on their characteristics and genetic makeup. Techniques such as DNA analysis, morphological studies, and ecological assessments are used to determine relationships between species and to classify them within the broader animal kingdom.
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Nov 24, 2024 Last updated |
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