Productivity and Energy Flashcard AICE Marine

Front

What is the top 200 m where most biomass in the ocean is found?

Back

Photic zone

Front

What is the process by which all living things release energy from their food by oxidizing glucose?

Back

Respiration

Front

Who carries out the majority of photosynthesis in the ocean?

Back

Phytoplankton

Front

What is an organism that can use chemical energy to synthesize organic materials called?

Back

Chemoautotroph

Front

Around what percentage of marine life is found above the depth of the compensation point?

Back

90%

Front

What is the term for the zone in the ocean where light penetrates and photosynthesis can occur?

Back

Euphotic zone

Front

What is the primary source of energy for marine ecosystems?

Back

Sunlight

Front

What is the term for organisms that produce their own food using sunlight?

Back

Autotrophs

Front

What is the role of decomposers in marine ecosystems?

Back

They break down dead organic matter, recycling nutrients.

Front

What is the term for the depth in the ocean where light intensity is too low for photosynthesis?

Back

Compensation point