provide habitat for many plants and animals, filter out pollution, absorb excess water which prevents flooding, provide recreational areas for boating and fishing
100
The type of microscopic organisms that float or drift in water
plankton
200
Which type of aquatic ecosystem has salt water?
Marine
200
Where does the world's freshwater come from?
Rain
200
Areas that are covered by salt water for all or part of the time are called:
coastal wetlands
200
Estauries are rich in _____________ and get a lot of _____________________.
nutrients, sunlight
200
The type of organism that swims in water
Nekton
300
Name a type of freshwater ecosysyem.
lake, river, stream, pond, wetlands
300
Areas of land that are covered with freshwater for part of the year are called:
Freshwater wetlands
300
Name a type of Marine ecosystem.
ocean, coral reef, coastal wetland
300
Coastal means:
near the ocean
300
The type of organism that is at the bottom of a body of water and often attached itself to hard surfaces
benthos
400
Name a type of marine ecosysyem.
ocean, estuary, coral reef
400
Where do rivers start and end?
Start as snow melt/rain in the mountains and end in the ocean.
400
An ______________________ is located where fresh water from a river meets the salt water from the ocean.
estuary
400
What types of organisms break down dead plants and animals?
decomposers
400
Microscopic animals are called
zooplankton
500
What are the 3 types of organisms that live in aquatic ecosystems.
Plankton, Nekton and Benthos
500
Nme 3 types of animals that live in a freshwater ecosystem.
beaver, fish, turtles, frogs, birds, etc
500
Name 3 types of animals that live in a marine ecosystem.