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_______is life’s primary source of energy.
a. Food b. Water c. Sunlight d. ATP
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- When energy is transferred from one organism to another, some energy is lost to the environment due primarily to ____ ? A.)reproduction B.)growth C.)the release of heat D.)the transmission of DNADecomposers a. break down dead organic matter in the environment by secreting digestive enzymes. b. break down living organic matter by secreting digestive enzymes. c. destroy living cells and then break them down with digestive enzymes. d. live in close association with another species.Why does an urban park full of trees have a greater cooling effect than an equal-sized urban golf course covered in grass? Pick the BEST answer a) Because trees sequester carbon into their wood b) Because trees photosynthesize c) Because trees create temperature differentials that improve airflow d) Because trees transpire producing evaporative cooling and grass does not
- What is one way humans put carbon into the air? Group of answer choices a. Surfing the internet b. Photosynthesis c. Animal Respiration d. Writing NotesWhich type of organism does NOT photosynthesize? a. Heterotrophs b. Producers c. Cyanobacteria d. Algae e. AutotrophsWhich of the following is not a fossil fuel? a. natural gas b. coal c. wood d. petroleum
- What types of organisms can produce their own food required to survive? A. Organisms that can do cellular respiration B. Organisms that have free-floating DNA C. Organisms that can do photosynthesis D. Organisms with a special enzyme4) Many bacteria and fungi are important in the environment because they A) recycle nutrients, making them available for other organisms B) return energy to the environment, making it available for plants C) produce glucose through the process of respiration D) reverse the flow of energy in the ecosystemAnimals are unable to make their own energy, yet you obtain energy when you eat animal food products. Explain how this illustrates the flow of energy through an ecosystem.
- Human use of fossil fuels has what consequences? Group of answer choices a. increase in CO2 concentration in the atmosphere b. return of fossilized carbon to the active carbon cycle c. increase in global temperatures d. all of the other optionsLook at the picture. Which statement below best describes how the organism in the picture gets the food it needs?a) it gets energy by consuming other plants as food. b) it gets energy by breaking down dead material. c) it gets energy by consuming animals as food. d) it changes sunlight, carbon dioxide and water into food and oxygen.Because plants extract nutrients from soil and use sunlight as an energy source, they are considered to be a. autotrophs. c. heterotrophs. b. consumers. d. decomposers.