The food we eat has nutritional value that provides energy to the body for every day's work. The oxygen inhaled by us helps in the combustion of the food consumed. This is how the food is converted to energy at the cellular level....
Energy goes from one plant or animal to another. A food chain shows how this energy moves. Each time an animal gets eaten, its energy is passed onto the animal that eats it. The food chain is very important because it keeps the balance of nature. If one part of the food chain disappe...
六 阅读短文,判断正(T)误(F)。Food chains(食物链) show how energy(能量) moves. When something eats som
听力原文:M: How is the energy content of food measured? W: Its measured in calories.The calorie is defined as the heat energy needed to raise the temperature of 1 kilogram of water from 14.5 degrees centigrade to 15.5 degrees centigrade. Q: What does t
The best way to protect the environment is to use local resource, such as food or building materials rather than transporting resources from other places. To what extent do you agree or disagree? Give reasons for your answer and include any relevant examples from your own knowledge or experience...
The food material is an essential source for nutrients like fats, protein, and carbohydrates giving energy is called food material. The food products like eggs, chicken, prawns, and fish are obtained from an animal source.Answer and Explanation: ...
Changes in agriculture, policy and personal behaviors can reduce the energy a nation uses to feed itself and the greenhouse gases it emits
()1.Food Chains show howmoves.A.mudB.waterC.energyD.bugs()2.Where do all food chains start?A.The moon.B.The sun.C.The clouds.D.The dirt.()3.Which of these words is NOT part of a food chain?A.Carniyores.B.Herbivores.C.Omnivores.D.Cookies.()4.DEFINITION:things that eat plants...
Nutritional individuality is a characteristic of mankind and this is as true of energy intakes and needs as of other attributes. Studies over the years have shown that individuals vary by a factor of two or more in their intakes of energy from the first year after birth to 75 years and ...
energy to stay alive and grow, and they get it from sunlight instead of food.How does a plant grow?Most animals grow in a certain way, and genes control their growth. That is to say, even when they are small, it's easy to know what they will look like after they grow up. Plants...