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Energy Transfer in Organic Molecules and Ecosystems

Discover the processes by which organic molecule energy is converted for cellular use and the dynamics within ecosystems. From digestion to photosynthesis, explore the vital roles of producers, consumers, and decomposers. Follow the energy flow, understand the carbon cycle, and learn about key components like biomass and energy loss. Unravel the relationship between organisms and their environment to grasp the intricate balance of life processes.

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Energy Transfer in Organic Molecules and Ecosystems

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  1. 1) By which process is the potential energy of organic molecules transferred to a form of energy that is usable by the cells? 1) digestion 2 ) hydrolysis 3) photosynthesis 4) respiration

  2. Which of the following is a producer-consumer relationship? foxes eat rabbits people eat mushrooms frogs eat flies rabbits eat grass

  3. 4) The biotic component of an ecosystem is a community. b. water. b. the temperature. c. the climate.

  4. Key piece of information The solution in each flask would be blue after a few hours

  5. Decomposers are found in the ground and they break down dead animals and plant 2 and 4 are both in the atmosphere 3 is the answer

  6. The x represents nitrogen Nitrogen is one of the most important elements to life on Earth!!! DNA and all other proteins are comprised of NITROGEN!!!

  7. The arrow points from what is eaten to what does the eating Whatever the tadpole EATS will increase if the tadpole decreases Tadpole eats Algae so the answer is d If the tadpoles aren’t there to eat the algae it will continue to grow

  8. Follow the arrows! The arrow shows NITRATES > plants 3 is correct- the arrow shows nitrates going to the plants- we KNOW that plants need nitrogen for protein synthesis

  9. The answer is a By definition- organic molecules have carbon Photosynthesis carbon is found in the form of carbon dioxide (gas)

  10. The answer is b because at each level energy is lost- secondary consumer level will have less energy than primary and more than tertiary consumers

  11. The answer is 1- biomass is a measure of biological (life) available energy As biomass is consumed (eaten) some of the energy is used for life processes

  12. Absorption = taking in Precipitation= rain/snow Runoff= excess water running over the soil Transpiration is gassing off of water INFILTRATION- water taken in

  13. All arrows point to the mushroom! All life eventually is broken down by the decomposers

  14. Plants are producers Bugs, mice are primary consumers Secondary consumers are coyote and the birds There are no decomposers!!!

  15. Carbon cycle • Producers incorporate chemicals from the nonliving environment into organic compounds. • Consumers feed on the producers, incorporating some of the chemicals into their own bodies and releasing some back to the environment in waste products. • As organisms die, decomposers break them down, further supplying the soil, water, and air with chemicals in inorganic form. The producers gain a renewed supply of raw materials for building organic matter, and the cycles continue.

  16. At point Y carbon is in the atmosphere- in the atmosphere carbon is in a gas form: Carbon dioxide Not B- not solid Not A- not a protein It is a carbohydrate at point C- where the cow is eating it! Answer is D

  17. Trees take in carbon Dioxide during photosynthesis The answer is B None of the other answers have anything to do with gas uptake!

  18. Whatever is in the food is passed on The answer is B- material found in proteins of food is absorbed into the body and not removed in waste

  19. Follow the arrow-glucose is being made into ATP Photosynthesis makes sugar Dehydration is the removal of water Aerobic respiration = cellular respiration- which makes ATP from glucose the answer is 4 The answer is B

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