The organisms in the intertidal zone will be exposed during this tide.
What is low tide?
Intertidal areas that are most affected by wave action
What are rocky intertidal areas?
Coral reefs are often mistaken for _____
What are plants?
This is another name for the epipelagic zone.
The mesopelagic zone occurs at this depth
The most diverse marine ecosystem
What are coral reefs?
Estuaries created with glaciers retreated due to global warming.
What are fjords?
The biggest problem for sandy intertidal zones
What are anoxic zones?
Coral is made up of interconnected _____.
What are polyps?
Animals must be able to do this in order to survive here.
The light created by deep ocean animals to attract prey and scare predators.
What is bioluminescence?
The ecosystem that is used a nursery
What are estuaries?
Animals in estuaries that can regulate their salt levels.
What are osmoregulators?
Changing shape and being lighter colors help adapt organisms to what problem in intertidal zones.
What is temperature change?
Coral eats by ____.
What is filter feeding?
This part of the water column has the highest amount of ________ production.
What is primary?
Animals in the deep ocean have to be able to withstand ________.
What is high pressure?
What are estuaries?
The only estuary with hard bottom substrate
What are oyster reefs?
The intertidal level that contains sea stars
What is the mid level?
The process that leads to coral bleaching by increasing the acidity of the ocean is ______.
What is ocean acidification?
Animals here have a unique ability to take ____directly from the water around them.
What are nutrients?
The main thermocline is located here.
__ are indicators of a healthy ecosystem.
What are predators?
Building sea walls combats this climate change problem in estuaries.
What is rising sea levels
An adaptation for clams and barnacles in intertidal zones.
What is clamming up?
Some coral have a symbiotic relationship with ___ that help them receive extra nutrients.
What are zooxanthellae
Vertical migration occurs through the epipelagic zone and the ________ zone.
What is the mesopelagic zone
Animals in the deep ocean must contain pressure-resistant ____ in order to break down their food.
What are enzymes?
Adaptations are the changes an organism develops to be _______ to its environment.