Build Your Own Ecosystem

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This sandbox allows students to build an ecosystem from the ground up. Populate biodomes with producers, consumers, decomposers, and pollinators and observe food webs, trophic levels, and predator/prey relationships in action.

Organisms, and populations of organisms, are dependent on their environmental interactions both with other living things and with nonliving factors.

Growth of organisms and population increases are limited by access to resources.

Similarly, predatory interactions may reduce the number of organisms or eliminate whole populations of organisms. Mutually beneficial interactions, in contrast, may become so interdependent that each organism requires the other for survival. Although the species involved in these competitive, predatory, and mutually beneficial interactions vary across ecosystems, the patterns of interactions of organisms with their environments, both living and nonliving, are shared.

Ecosystems are dynamic in nature; their characteristics can vary over time. Disruptions to any physical or biological component of an ecosystem can lead to shifts in all its populations.

Biodiversity describes the variety of species found in Earth’s terrestrial and oceanic ecosystems. The completeness or integrity of an ecosystem’s biodiversity is often used as a measure of its health.

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Disciplinary Core Ideas