Students in Ms. Brown’s class are on a field trip at the aquarium. They observe the following biotic and abiotic factors in the
aquarium: Rocks Coral Seaweed Clownfish Sea turtle Water filtration system Ms. Brown would now like them to make a list of all the factors in the aquarium ecosystem. Which of the items should be included on their list? Coral, seaweed, clownfish, sea turtle Rocks, water filtration system None of the listed items are part of the ecosystem All the listed items are part of the ecosystem.
