1. Name _____________________________________ Date _________________ Per ____
Ecology Test
Review Sheet
• What is the organization of an ecosystem from its smallest component to its largest
component?
• Species –
• Population –
• Communities –
• Ecosystem –
• Biome –
• Biosphere –
• What 3 methods do ecologists use to study the living world?
• What are producers/autotrophs?
• What is the ultimate source of energy in ecosystems?
• Chemosythesis –
• Hetertrophs –
• Decomposers –
• Herbivore –
• Carnivore –
• Omnivore –
• What is a biomass pyramid?
• What is the water cycle?

2. • What is the difference between the way matter and energy move through the
biosphere?
• Nitrogen fixation –
• Why do organisms need nutrients?
• Primary productivity –
• Limiting nutrient –
• Weather –
• Climate –
• Greenhouse effect –
• What causes the three main climate zones?
• What is the difference between biotic and abiotic factors?
• Niche –
• Predation –
• What are the three symbiotic relationships and know an example of each relationship
• What is the difference between primary ecological succession and secondary
ecological succession
• What characterizes a biome?
• Know the characteristics of the major land biomes