Food Chains and Food Webs in an Ecosystem

Scientists study interactions among plants and animals by observing organisms in the field and in aquariums set up as mini-ecosystems that simulate the natural environment. In this lesson, students will be introduced to the bottle aquarium and they will observe it daily as a class. Students learn new vocabulary terms about feeding relationships and marine environments that they can apply to their bottle aquarium. Each student creates a food chain for the ecosystem in their bottle aquarium, and then combines his/her food chain with the food chains of fellow students to create a food web for an ecosystem.

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abiotic, biotic, carnivore, consumers, decomposers, ecosystem, energy, food chains, food webs, herbivore, keystone species, marine, omnivore, predation, producers