Abiotic Factors in Marine Ecosystems

Which of the following is NOT a biotic factor?

• Walrus
• Squid
• Salinity
• Algae

Which of the following is an abiotic factor that affects marine ecosystems?

• Pressure
• Algae
• Pedators
• Food Web

Which of the following organisms pulls carbon from the atmosphere to make food?

• Dolphins
• Sharks
• Phytoplankton
• Fish

Which of the following is the process of pulling CO2 form the atmosphere to make food?

• Photosynthesis
• Cellular Respiration
• Decomposition
• Nitrification

When plants and animals die their bodies _______ and carbon atoms are returned to the atmosphere.

• Cellular Respire

• Decompose

• Nitrify

• Photosynthesise

Which of the following does NOT release access carbon into the atmosphere?

• Driving a Car
• Drinking from plastic bottles
• Leaving on the lights
• Leaving the faucet running

Where is the largest store of carbon contained?

• Atmosphere
• Oceans
• Fossil Fuels
• Plants

Which of the following processes returns water to the atmosphere through the leaves of plants?

• Transpiration
• Condensation
• Evaporation
• Precipitation

This is an example of which of the following processes?

• Precipitation
• Condensation
• Evaporation
• Transpiration

Which of the following processes is shown in number 5?

• Surface Runnoff
• Evaporation
• Condensation
• Percolating