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Living World, Biological Classification, Animal Kingdom & Structural Organisation in Animals Video Lecture | Crash Course for UAE Grade 11
FAQs on Living World, Biological Classification, Animal Kingdom & Structural Organisation in Animals Video Lecture - Crash Course for UAE Grade 11
| 1. What is the importance of biological classification? |  |
Ans. Biological classification is important as it helps in organizing and categorizing the vast diversity of living organisms. It enables scientists to study and understand the relationships between different species, identify new species, and predict their characteristics based on their classification. Additionally, biological classification aids in the development of various fields such as medicine, agriculture, and conservation by providing a systematic framework for studying and managing different organisms.
| 2. How is the animal kingdom classified? | |
Ans. The animal kingdom is classified based on various characteristics such as body symmetry, presence or absence of a backbone, type of body cavity, and the presence of specialized tissues or organs. It is divided into several phyla, including Porifera (sponges), Cnidaria (jellyfish and coral), Arthropoda (insects and crustaceans), Chordata (vertebrates), and many more. Each phylum is further divided into classes, orders, families, genera, and species, representing a hierarchical classification system.
| 3. What is the significance of structural organization in animals? | |
Ans. Structural organization in animals refers to the arrangement of cells, tissues, and organs in their bodies. It is significant as it determines the form, function, and overall physiology of an animal. The structural organization allows animals to perform specific functions efficiently and adapt to their environment. For example, the presence of specialized organs like lungs or gills enables animals to respire in different habitats, while the development of complex nervous systems allows for coordination and response to stimuli.
| 4. How do animals adapt to their environment? | |
Ans. Animals adapt to their environment through various mechanisms. These include physiological adaptations such as changes in body temperature or metabolism, anatomical adaptations like the development of specialized body parts or structures, and behavioral adaptations like migration or hibernation. Adaptations can help animals survive and thrive in different habitats, obtain food, escape predators, and reproduce successfully. Over time, natural selection acts on these adaptations, leading to the evolution of new species.
| 5. What are some examples of animal phyla? | |
Ans. Some examples of animal phyla include:
- Porifera: Sponges are multicellular organisms that lack true tissues and organs.
- Cnidaria: Jellyfish, corals, and sea anemones belong to this phylum. They exhibit radial symmetry and possess specialized stinging cells called cnidocytes.
- Arthropoda: This phylum includes insects, spiders, crustaceans, and other jointed-legged animals. They have an exoskeleton, segmented bodies, and jointed appendages.
- Chordata: Vertebrates such as fish, reptiles, birds, and mammals belong to this phylum. They possess a notochord, dorsal nerve cord, pharyngeal gill slits, and a post-anal tail at some stage of their life cycle.
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