From this crossword puzzle, students will: (1) describe the different levels of organization that ecologists study; (2) describe the two main forms of energy that power living systems; (3) describe the flow of energy among organisms in an ecosystem; and (4) state the proportion of energy that is transferred from one trophic level to the next.
Words used include: community, ecosystem, producer, autotroph, consumer, heterotroph, photosynthesis, chemosynthesis, herbivore , carnivore, omnivore, det