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  1. Symbiosis: The Art of Living Together - Education

    Oct 19, 2023 · Symbiosis is a term describing any relationship or interaction between two dissimilar organisms. The specific kind of symbiosis depends on whether either or both organisms benefit from …

  2. Coral - National Geographic Society

    Nov 21, 2024 · The mutually beneficial relationship between coral and algae is called symbiosis. Coral reefs are among the most complex and fascinating marine ecosystems in the sea, and they include a …

  3. Lichen: The Threesome - National Geographic Education Blog

    Jul 25, 2016 · Lichens probably have the most famous symbiotic relationship in nature. What is a symbiotic relationship? What other organisms engage in symbiotic relationships? Symbiosis simply …

  4. Food Chains and Webs - Education

    A food chain outlines who eats whom. A food web is all of the food chains in an ecosystem. Each organism in an ecosystem occupies a specific trophic level or position in the food chain or web. …

  5. Bioluminescence - National Geographic Society

    Oct 19, 2023 · The bacteria and squid have a symbiotic relationship. Luciferase is an enzyme. An enzyme is a chemical (called a catalyst) that interacts with a substrate to affect the rate of a chemical …

  6. Great Barrier Reef - Education

    Jan 22, 2025 · When healthy, coral has a symbiotic relationship with algae. The coral produces fluorescent chemicals that protect the algae from bright sun—almost like a sunscreen.

  7. Food Web - National Geographic Society

    A food web consists of all the food chains in a single ecosystem. Each living thing in an ecosystem is part of multiple food chains. Each food chain is one possible path that energy and nutrients may take …

  8. Coral Reefs - Education

    Nov 21, 2024 · This symbiotic relationship is strongly dependent on the temperature of the surrounding water. As the water warms, zooxanthellae are expelled from a coral’s tissue, causing it to lose its …

  9. MapMaker: Coral Bleaching - Education

    Oct 10, 2024 · Shallow water coral are ancient, sessile animals that rely on a symbiotic relationship with a photosynthetic alga called zooxanthellae (pronounced zo-UH-zan-thuh-lay).

  10. Weekly Warm-Up: 6 Ways to Introduce Students to Biodiversity

    May 1, 2016 · 5. Dive into an Ocean Ecosystem Focus on the biodiversity and symbiotic relationships that make up a coral reef ecosystem. This activity includes discussion questions, videos, and a …