Ocean Life and Marine Biology
Difficulty: medium. 10 questions.
About this quiz
Everything you need to know before you start
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Showing 5 of 10 questions - take the quiz to answer them all
- 1
Which ocean zone is characterized by sufficient sunlight for photosynthesis to occur?
- APhotic zone
- BBathyal zone
- CAbyssal zone
- DHadopelagic zone
- 2
What is the primary food source for baleen whales in the ocean?
- ASmall fish
- BLarge squid
- CSeals and penguins
- DKrill and plankton
- 3
Coral reefs are often called 'rainforests of the sea' due to their high biodiversity. What is the main organism responsible for building the structure of a coral reef?
- ASea anemones
- BSponges
- CPolychaete worms
- DCoral polyps
- 4
Which of the following terms describes microscopic organisms that drift in the ocean currents and form the base of many marine food webs?
- ADemersal
- BNekton
- CPlankton
- DBenthos
- 5
Select all that apply: Which of the following are significant threats to ocean life and marine ecosystems?
- AOcean acidification
- BDeep-sea vents
- COverfishing
- DPlastic pollution