Marine Ecosystems

Aquatic ecosystems are characterized by

• Salinity and Chemistry

• Sunlight and Temperature

• Substrate

• Water flow

Which aquatic habitat experiences extreme changes on a daily basis due to high and low tide?

• Benthic Zone

• Continental Shelf

• Pelagic Zone

• Intertidal zone

Which of the following are marine ecosystems?

• Benthic Zone

• Intertidal zone and the Continental Shelf

• Pelagic Zone

• Intertidal zone

• Coral Reef

Which habitat would be most helpful to have adaptations to attach to the substrate?

• Any habitat with moving water

• Pelagic zone

• Any habitat with stagnant water

• Wetlands

Which of the following appropriately matches the types of the wetlands to their description?

• Swamps - mosses

• Marshes - grasses

• Bog - trees

• All of the correctly matched

Benthic refers to

• out in the open ocean

• along the bottom of the aquatic habitat

• the photic zone area

• the aphotic zone region

Estuaries contain what type of water?

• Salt water

• Freshwater

• Brackish water

• Polluted water

What type of organisms may live in an estuary?

• Oysters, crabs, fish

• Squid, whales, dolphins

• Fish, starfish, seals, kelp

• Alligators, coral reef, burrowing worms

Which of the following are "stagnant" freshwater habitats?

• The Ocean

• Ponds and Lakes

• Creeks, Streams, Rivers

• Estuaries

The Coastal Ocean is characterized by what photosynthetic organism?

• Mangrove trees

• Kelp

• Zooplankton

• Coral Reef