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Questions and Answers
What are the essential nutrients found in food?
What are the essential nutrients found in food?
- Carbohydrates, fats, proteins, vitamins, and minerals (correct)
- Carbohydrates, sugars, proteins, vitamins, and minerals
- Carbohydrates, fiber, proteins, vitamins, and minerals
- Carbohydrates, lipids, proteins, vitamins, and water
How do omnivorous humans adapt to obtain food?
How do omnivorous humans adapt to obtain food?
- They primarily rely on farming for food
- They are highly adaptable and obtain food in many different ecosystems (correct)
- They consume a limited variety of foods
- They have specialized hunting techniques
What is the primary source of food energy for humans?
What is the primary source of food energy for humans?
- Hunting and gathering
- Home gardening
- Industrial food industry (correct)
- Traditional agriculture
What does food provide to an organism's cells?
What does food provide to an organism's cells?
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How do different species of animals adapt to fill specific ecological niches?
How do different species of animals adapt to fill specific ecological niches?
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Study Notes
Essential Nutrients and Food
- Six essential nutrients found in food: carbohydrates, proteins, fats, vitamins, minerals, and water
- These nutrients provide energy, build and repair tissues, and regulate various bodily functions
Human Adaptation to Obtain Food
- Omnivorous humans adapt to obtain food through a variety of methods, including hunting, gathering, agriculture, and domestication of animals
- Humans have also developed tools, cooking, and food preservation techniques to acquire and utilize food
Primary Source of Food Energy
- Carbohydrates are the primary source of food energy for humans, providing 4 kcal/gram
- Fats are the secondary source of energy, providing 9 kcal/gram, while proteins provide 4 kcal/gram
Role of Food in Cellular Function
- Food provides energy and nutrients to an organism's cells, supporting metabolic processes and maintaining homeostasis
- Food also provides building blocks for growth, maintenance, and repair of cells, tissues, and organs
Adaptation of Animals to Ecological Niches
- Different species of animals adapt to fill specific ecological niches through specialized physical and behavioral traits
- Examples of adaptations include beaks for specific diets, camouflage for predator avoidance, and burrowing for shelter and protection
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