too low, it will bring huge problems to all sea life. Many believe that sharks can never be endangered as they are the strongest in their food chain. But the f 17 is that around 70million sharks are caught and traded in this industry every year. A u 18 says the numbers of som...
Which of the following shows the correct food chain in an ecosystem? A. grass-sheep-wolves B. wolves-sheep-grass C. sheep-wolves-grass D. grass-wolves-sheep 相关知识点: 试题来源: 解析 A。草是生产者,羊是初级消费者,狼是次级消费者。
The food chain and food web are essential components of this ecosystem.Figure 1: Annotated diagram of a food chain. Image Credit: Sylvia Freeman. The majority of ecosystems rely on sunlight for energy. Photosynthesis converts light energy to chemical energy in carbon molecules. Chemical energy ...
Define Food chain and webs. Food chain and webs synonyms, Food chain and webs pronunciation, Food chain and webs translation, English dictionary definition of Food chain and webs. food chain marine food chain diagram n. 1. A succession of organisms in an
Which of the following is an example of a food chain in an ecosystem? A. sun-grass-rabbit-fox B. grass-rabbit-fox-decomposer C. grass-rabbit-sun-fox D. sun-fox-rabbit-grass 相关知识点: 试题来源: 解析 B。本题考查食物链的正确顺序。食物链从生产者开始,经过消费者,最后到分解者。草是...
Energy in a Food Chain A food chain has organisms that producers and organisms that are consumers. Consumers are obtain food by eating other living things. Producers like plants and algae make their own food. A food chain shows the flow of energy in an ecosystem. Energy from the sun allows...
Food web, a complex network of interconnecting and overlapping food chains showing feeding relationships within a community. A food chain shows how matter and energy from food are transferred from one organism to another, whereas a food web illustrates h
Food chain, in ecology, the sequence of transfers of matter and energy in the form of food from organism to organism. Food chains intertwine locally into a food web because most organisms consume more than one type of animal or plant. Learn more about fo
Words: diet, prey, ecosystem, organism, herbivore, carnivore, omnivore, detrivore, decomposer, nutrients, producer, consumer. Or go to the answers. Food Chain Cloze WorksheetFill in the blanks in the passage about food chains. Word bank: arrows, energy, sea, sun, herbivores, consumers, ...
Methods; Results; Conclusion that food-chain length increases with ecosystem size, but is not related to productivity.PostDavidM.PaceMichaelL.HairstonJr.NelsonG.NatureNaturePost, D. M., M. L. Pace, and N. G. Hairston, Jr. 2000. Eco- system size determines food-chain length in lakes. ...