Water Ecosystems

Match it! Select the correct answer from the pull down...Good luck!

Lakes and ponds are examples of ___________________ water ecosystems.

Creatures that drift freely in the water are called ______________________.

The __________________ is a place where organisms are covered and uncovered daily by the waters of changing tides.

Organisms of the ocean’s (saltwater) _________________ zone must be adapted to the rise and fall of ____________.

Organisms in water ecosystems are classified as plankton that float in water; ____________ that are large, free swimmers; and _________________ that live in the deepest part of the water.

Rivers and streams are an example of _____________________ water ecosystems.

Freshwater ecosystems are divided into __________________ bodies, standing water bodies, and wetlands ecosystems.

In general, more organisms live in the ____________________ layers of water.