Marine Ecosystems

Why doesn’t photosynthesis occur in deep ocean water?

• The water temperature is too cold

• There is no sunlight

• There are not enough nutrients

• The salinity level of the water is too high

Tags

NGSS.MS-LS1-6

A tropical or subtropical marine swamp that is characterized by the abundance of low to tall trees

• Coral Reef

• Estuary

• Marshes

• Mangrove Swamp

What makes an estuary wildlife unique

• They are pretty

• They can handle different levels of salinity

• They grow to huge sizes

• They eat lots of freshwater organisms

Both the arctic and antarctic ecosystems...

• have penguins as intermediate predators.

• have polar bears as top predators.

• have plankton at the base of the food chain.

• have large amount of land area with plants.

Which biome is pictured below?

• freshwater

• wetland

• coral reef

• ocean

The major abiotic factors that influence aquatic ecosystems include

• water temperature and amount of light

• plants and animals

• water and plants growing there

Amount of dissolved salt

• estuary 

• eutrophication

• salinity

• runoff

Which of these determines what types of organisms live in water?

• water temperature

• oxygen levels of water

• sunlight & nutrients

• water temperature, oxygen levels, sunlight & nutrients

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-4

Which of the following is a primary producer in marine ecosystems?

• Phytoplankton

• Zooplankton

• Small fish

• Coral

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What is the main reason coral reefs are important to marine life?

• They provide food for large fish

• They offer shelter and breeding grounds

• They increase water temperature

• They produce salt

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-5