Marine Environments

Which of the following is not an abiotic factor?

• Surface temperature

• Salinity

• Algae colour

• Wind speed

Which of the following in not a biotic component?

• pH

• Microalgae

• Sea urchin

• Whale shark

Which of the following is the correct order of a food web?

• Producer > Tertiary consumer > Primary consumer

• Tertiary consumer > Secondary consumer > Producer

• Producer > Secondary consumer > Tertiary consumer

• Producer > Primary consumer > Secondary consumer

Which of the following is passed through a food web?

• Food

• Energy

• Oxygen

• Carbon dioxide

Which of the following is not a sampling technique

• Simpson's

• Quadrat

• Transect

• Mark recapture

Which of the following is not a biotic component of a mangrove forest?

• Fruit bat

• Grey mangrove

• Tuna

• Mud crab

Which of the following is not a biotic component of a coral reef

• Trout

• Sea turtle

• Whale shark

• Elephant seal

What is the source of energy in a hydrothermal vent?

• Sunlight

• Hydrogen sulfide

• Carbon sulfide

• Oxygen