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Mindmap: Nutrition in Animals | Science Class 7

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FAQs on Mindmap: Nutrition in Animals - Science Class 7

1. What is the importance of nutrition in animals?
Ans. Nutrition is essential for animals as it provides them with the necessary energy, nutrients, and building blocks to carry out various physiological functions. It helps in the growth, development, and maintenance of their body, supports their immune system, and enables them to perform daily activities.
2. How do animals obtain nutrition?
Ans. Animals obtain nutrition by consuming food. They have different feeding habits and mechanisms based on their dietary requirements. Herbivores primarily feed on plants, carnivores consume other animals, and omnivores have a mixed diet consisting of both plant and animal matter. Animals use specialized structures like teeth, beaks, or tongues to acquire and process their food.
3. What are the different types of nutrients required by animals?
Ans. Animals require various nutrients for their growth and survival. These include carbohydrates, proteins, fats, vitamins, minerals, and water. Carbohydrates provide energy, proteins are necessary for growth and repair, fats store energy and provide insulation, vitamins and minerals play vital roles in metabolic processes, and water is essential for hydration and maintaining cellular functions.
4. How is nutrition in animals different from nutrition in plants?
Ans. Nutrition in animals and plants differ in several ways. Animals are heterotrophs, meaning they obtain their nutrition by consuming other organisms, while plants are autotrophs that produce their own food through photosynthesis. Animals have specialized digestive systems to break down complex molecules, while plants have cell walls and chloroplasts to capture sunlight for energy production. Additionally, animals require organic compounds for nutrition, whereas plants can synthesize their own organic molecules.
5. Can animals survive without proper nutrition?
Ans. Animals cannot survive without proper nutrition. Inadequate nutrition can lead to malnutrition, which can result in stunted growth, weakened immune system, reproductive issues, and ultimately, death. Each animal species has specific dietary requirements, and a lack of essential nutrients can disrupt their physiological functions and overall health.
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