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Name: ______________________ Date: ______________________ Interactions and Ecosystems – Study Guide Vocabulary to understand: ecosystem, biotic, abiotic, species, population, community, basic needs, symbiosis, mutualism, commensalism, parasitism, host, parasite, behavioural adaptations, structural adaptations, intended consequences, unintended consequences, producers, photosynthesis, cellular respiration, materials, products, consumers, carnivores, scavengers, herbivores, omnivores, decomposers, food chain, primary consumers, secondary consumers, tertiary consumers, food web, water cycle, nutrient cycle, carbon cycle, pyramid of numbers, quadrat analysis, bio-invasion, competition, predation, prey, predator, succession, primary succession, secondary succession, pioneer species, climax community, threatened, endangered, extinct, ecological footprint Be able to: • Classify things as biotic or abiotic. • Describe the relationship between species, population, or community. • Classify organisms as a species, population, or community. • List the four things all living things need in order to survive. • Classify relationships between organisms as mutualism, commensalism, or parasitism. • Describe examples as structural and behavioural adaptations. • List the materials and products of photosynthesis and cellular respiration. • Identify examples of herbivores, carnivores, omnivores, decomposers, and scavengers. • Draw a simple 4 organism food chain (don’t forget the arrows). • Draw a simple food web. • Explain how to make a food chain into a nutrient cycle. • Describe the water cycle. • Describe the carbon cycle. • Draw a pyramid of numbers. • Explain why a pyramid of numbers is shaped like a triangle. Be very descriptive in your explanation. Name: ______________________ Date: ______________________ • Explain how a quadrat analysis is used. • Explain how bio-invasion affects a population and an ecosystem. • Describe how succession occurs (using pictures and words). • Explain the difference between primary succession and secondary succession. • Explain how the population of a prey species will affect the population of a predator species. • Explain how you can change your ecological footprint. • Explain how DDT affected the peregrine falcon.