Open-ocean Correct Answer-_____ ecosystems include hydrothermal
vent communities in the deep ocean bottom
Intertidal Correct Answer-Rocky shorelines that are home to sea stars,
mussels, crabs, and anemones and experience fluctuating water levels
are _____ ecosystems
Coral reef Correct Answer-_____ ecosystems are being affected by the
process of ocean acidification, which threatens their long-term existence
Kelp forest Correct Answer-Floating brown algae that provide food and
shelter for a diversity of animals characterize _____ ecosystems
Estuary Correct Answer-_____ ecosystems occur where fresh water
from rivers mixes with saltier marine waters to produce a highly
productive ecosystem with varying salinity levels
Salt marsh Correct Answer-Salt-tolerant grasses and shrubs dominate
_____ ecosystems, which occur on the coast at temperate latitude
The presence of algae Correct Answer-Which of these is characteristic
of the photic zone of a freshwater ecosystem?
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