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- 1. Multiple ChoiceWhich of this organisms is a producer in a marine ecosystem?blob fishalgaewhalefish
- 2. Multiple Choice
Consider this food web:
where is the largest amount of energy found in this food web?snakeHawkRabbitGrass - 3. Multiple ChoiceWhich best explains the importance of nitrogen In the cycling of energy and matter?Nitrogen increases protein in plantsNitrogen increases the effectiveness of photosynnitrogen decreases the effectiveness of photosynthesisnitrogen decreases protein production in plants
- 4. Multiple ChoiceIn a food pyramid, which best explains why the number of organisms decreases from one trophic level to the next?Consumers at the lower level require more energy that the top-level consumersThe consumers are feeding on larger organisms that have less energy
- 5. Multiple ChoiceWhere do plants get most of the energy they need to live and grow?Watersoilairsunlight
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