Estuaries PreTEst CO2

Which of the following is an example of biotic factor in estuaries?

• mud

• waves

• mangroves

• rocks

Which of the following is an ecosystem where a freshwater meets a saltwater?

• food web

• estuaries

• intertidal zone

• food chain

The following are abiotic factors in intertidal zones and estuaries EXCEPT __________.

• temperature

• light

• soil

• clams

Which of the following is a type of biotic factor?

• the amount of sunlight

• the level of sea water

• the change of salinity

• the abundance of coral reefs

Which of the following is a type of abiotic factor in estuaries?

• fishes

• sand

• temperature of the water

• the abundance of coral reefs