From crossword puzzle, students will: (1) distinguish between biotic factor and abiotic factor; (2) describe three types of community interactions that can affect an ecosystem; (3) distinguish between primary succession and secondary succession; and (4) distinguish between habitat and niche.
Words used include: biotic factors, abiotic factors, habitat, niche, competition, competitive exclusion principle, predation, symbiosis, mutualism, commensalism, parasitism, ecological succession, primary s