6th grade, Unit 5- aquatic ecosystems

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

ALL organisms depend on _________ to survive

Plankton make their own food, therefore, they are considered ___________

wetlands are important for

which of these is not one of the four major abiotic factors?

oceans cover ___% of Earth's surface

coral reefs are found in

Water in ponds and lakes is

The worlds smallest animals is