II. Direction: Fill in the blank with the correct word. Choice your answer from the words listed below. Ecosystem Mangrove swamp Coral attol Tropical rainforest Fringing reef Canopy Coral reef Barrier reef Emergent
16.________________________ is the largest and most complex level of organization in the natural world. 17. The layers of rainforest are the emergent, ______________, understory and forest floor. 18. The _____________________ is sometimes called “rainforest of the sea”. 19. _______________________ also act as a natural barrier and flood defenses and sources of livelihood for people. 20. The ______________________is one type of coral reef that hugs the shore of continents and islands.
