Energy Flow

Topic Page

Questions

• If the producer biomass in an ecosystem is 150 kg per hectare, what is the approximate primary consumer biomass that might be expected in the same ecosystem?
• What is a trophic level, and what is the 10% rule?
• What is an energy pyramid?
• What is the 10% rule used in an energy pyramid?
• Where do decomposers and detritivores go on the energy pyramid? What is the difference between the two?
• Why do food chains rarely have more than four trophic levels?
• In the 10% rule of energy in food pyramids, where does the other 90% go? I understand that only 10% of energy goes to the next trophic level, but where does the rest go?
• Why should we eat from the lower part of the food chain?
• What organisms are the producers, first order consumers, second order consumers, and third order consumers in an ecosystem?
• What are the food web and food pyramids in the biome taiga?
• What happens to the energy at each level as you move up the food pyramid?
• What is a good active activity for teaching about food pyramids and webs?
• Is a pyramid of biomass the same as a food pyramid?
• How does the second law of thermodynamics relate to the energy pyramid?
• How are food webs and energy pyramids related?
• On trophic level pyramids and food pyramids, is level one on the top or bottom?
• What is the difference between a food chain and energy pyramid?
• What is the definition of a food chain, a food web, and a food pyramid?
• Where is an elephant on the food pyramid?
• What is the function of a food pyramid?
• I need to draw an energy pyramid for a five-step food chain. If 100% of the energy is available at the first trophic level, what percentage of the total energy is available at the highest trophic level?
• What do you call the fourth consumer in a food chain/web?
• What is the difference between the pyramid of numbers, pyramid of biomass and pyramid of energy?
• Why is the maximum size of an energy pyramid 5 levels?
• In an energy pyramid, how does energy increase and decrease?
• What is cellular respiration?
• How does cellular respiration differ from photosynthesis?
• How does the process of cellular respiration work?
• What is an experiment to demonstrate cellular respiration?
• Can someone describe cellular respiration in kid-friendly terms?
• What is the formula for cellular respiration and photosynthesis?
• Is cellular respiration the same as cellular metabolism?
• What are real life examples of cellular respiration?
• How are cellular respiration and photosynthesis dependent on each other?
• How are cellular respiration and photosynthesis opposite reactions?
• How are cellular respiration and photosynthesis part of the carbon cycle?
• How does cellular respiration harvest the energy in food?
• How does cellular respiration release energy from food?
• How are cellular respiration and fermentation similar?
• How do cellular respiration and fermentation depend on glycolysis?
• How does cellular respiration affect global warming?
• How does cellular respiration affect homeostasis?
• How does cellular respiration affect pH?
• Why is cellular respiration important?
• How does cellular respiration affect the carbon cycle?
• Why is cellular respiration matter to humans?
• What is a trophic level?
• Can you explain the energy transformations that occur when moving from one trophic level to the next in an energy pyramid?
• Can you describe the efficiency of energy transfer between trophic levels?
• Can you describe the trophic levels in a typical ecosystem?
• What would a drawing of a food chain with 4 trophic levels look like?
• What is the relationship between trophic levels and biomass in terms?
• As DDT moves up the trophic levels in food chains or webs, does its concentration increase or decrease?
• What is trophic energy?
• What is the maximum number of trophic levels an ecosystem can support?
• How do changes to a lower trophic level (ex. a decrease in producers) affect a higher trophic level? How do changes to higher trophic levels (ex. increase in secondary consumers) affect lower trophic levels?
• Why do different trophic levels have different amounts of energy?
• How would you describe the trophic levels in a typical ecosystem? Discuss the flow of energy through the ecosystem, the relationship between the different trophic levels, and the factors that limit the number of trophic levels.
• What is exactly is trophic structure?
• How does the amount of energy available at each trophic level affect the structure of an ecosystem?
• How are trophic levels related to the flow of energy through an ecosystem?
• How can trophic levels be deduced?
• How do trophic levels affect bioaccumulation?
• How does biomass change in different trophic levels?
• How many trophic levels are in a food chain?
• How many trophic levels are included in the energy pyramid?
• How many trophic levels are there typically in a community?
• How many trophic levels can an ecosystem contain?
• What are examples of various tropic levels in a typical ecosystem?
• What trophic level are humans?
• What trophic levels do decomposers feed on?
• What trophic levels undergo photosynthesis?
• Why are the trophic levels in the shape of a pyramid?
• Why are trophic levels important?
• How does the amount of food a large animal, such as a deer, needs to consume compare to the amount of food a small animal, such as a squirrel, needs to consume?
• What level on the energy pyramid is the most energy available?
• How do you calculate the osmolarity of seawater?
• What do decomposers do?
• How come in an ecosystem, energy is said to flow, while nutrients are said to cycle?
• How does the amount of biomass at the fourth trophic level compare to the amount of biomass at the third troph?
• Why does biomass decrease up the trophic levels?
• How can a small biomass of producers support a larger biomass of consumers?
• What is an ecological pyramid?
• Why can't food chains go on forever?
• Why might aquatic ecosystems have inverted biomass pyramids?
• What happens in the food pyramid?
• Where do mushrooms fit on the food pyramid?
• What part of the energy transfer chain should you eat?
• What food group does corn belong to?
• Why is it that oniy part of the energy stored in one trophic level is passed on to the next level?
• What happens to energy in an ecosystem as it's transmitted between trophic levels?
• How does the law of thermodynamics relate to the ecological pyramid?
• Is the number of trophic levels an ecological energy pyramid limited?
• What will be the food chain of desert ecosystem?