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Energy flow in ecosystem takes from a lower trophic level to higher trophic level.
Producers in ecosystem includes all plants and algae.
Consumers includes all the animals, birds, insects etc.
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- Efficiency of energy transfers in aquatic ecosystem is typically higher than in land ecosystems because ______. a. aquatic food webs include more endotherms b. algae do not make lignin c. primary production cannot occur in water d. all of the aboveThe major source of nutrients in the headwaters of a small stream is form: a. dead leaves and other organic matter from adjacent land. b. photosynthesis by phytoplankton. c. photosynthesis by floating aquatic plants. d. the activity of chemoautotrophic bacteria. e. minerals from the underlying bedrock.ycles The diagram below illustrates the flow of carbon via several processes in the carbon cycle. Carbon Cycle 4 photosynthesis/ 0 O organic carbon plant respiration 2 of 10 Answered animal respiration In what way or ways do producers play a role in the carbon cycle? decomposition of organic waste They release carbon dioxide to the atmosphere during respiration. They decompose and create fossil fuels after death. They use carbon dioxide from the atmosphere during photosynthesis. They supply the light energy that makes photosynthesis possible. Session Timer: 13:57 burning of fossil fuels natural combustion mineral carbon Sessi
- are examples of autotrophs. [Select all that apply.] O Grasses O Grasshoppers O Frogs Hawks Snakes O Fungi1. Which of the following is NOT a possible disadvantage of using biomass as a form of energy? o low photosynthetic efficiencyo low potential supplyo soil erosiono possibly nonrenewable2. A(n) ___ absorbs and stores heat from the sun directly within a structure o active solar heating systemo passive solar heating systemo active nuclear energyo passive nuclear energy3. The__ is the name for a system that produces two useful forms of energy from one o regenerationo post-generationo degenerationo cogeneration4. If nuclear fusion reactors could be built successfully, which of the following would NOT be one of their advantages? o little risk from terroristo lower levels of radioactive wasteo low cost of operationso no carbon dioxide emissions5. Which form of power has more advantages and fewer disadvantages than any other energy source?o fuel cell powero hydroelectric powero solar powero wind power6. Which of the following is a by-product of burning hydrogen, taken from water, as a fuel?o…There are 2 simple models (A and B) in the picture below. One represents the movement of matter and one represents the movement of.energy in ecosystems. State which model shows the movement of matter and which the movement of energy. Then explain your choices. [i.e. Model A shows the movement of because... Model B shows the movement of (Level 4) because...] A Photosynthesis Cellular respiration В Photosynthesis Cellular respiration O stv MacBook Air DII DD 80 F11 F9 F10 F7 F4 F5 F2 F3 * & @ 23 2$ 2 4 6. 7 8 W E R Y J K S <. C V command option amand V * 3
- List the non-conventional energy sources, explainwhy Biomass energy is considered to be Renewablesource of energy?How does energy enter an ecosystem, and get into a form organisms can use directly? O mitosis cellular respiration the water cycle O photosynthesisEfficiency of energy transfers in aquatic ecosystem is typically higher than in land ecosystems because ______. a. aquatic food webs include more endotherms b. algae do not make lignin c. primary production cannot occur in water d. all of the above
- 5. List the consumer(s) and producer(s) from Figure 6.2 on page 93 of your textbook. CO₂ Carbon dioxide H₂O Water S4 Sunlight energy enters ecosystem Photosynthesis in chloroplasts) converts light energy to chemical energy Cellular respiration (in mitochondria) harvests food energy to produce ATP ATP drives cellular work Heat energy exits ecosystem ${2 C₂H₁₂0 Glucose 0₂ OxygenThe products of the Kreb's cycle are NADPH, ADP, FAD, CO2, NAD+ NADPH, FADH2, ATP, CO2, oxygen NADH, FADH2, ATP, CO2, water Water, CO2, NAD+, ATP NAD, FAD, ADP, oxygen, water OAlgae in an aquatic food chain convert solar energy into 93, 000 kilocalories of plant tissue. Which of the following values best represents the amount of energy available for secondary consumers in the food chain? (A 930 kilocalories B) 9, 300 kilocalories 93, 000 kilocalories D) 930, 000 kilocalories MacBook Pro esc @ # $ % & 1 3 4 7 8. Q W E R Y tab A S D F G H caps lock Z C V つ つ リ