Algae Cycle Flashcards
1
Q
- Photosynthesis: phytoplankton photosynthesize in the ocean’s sunlit surface waters, using dissolved _
A
Atmospheric CO2
2
Q
- Photosynthesis: Phytoplankton are primary producers in the _
A
Food chain
3
Q
Ocean plays part in world’s carbon cycle are are biggest global store of _
A
Carbon
4
Q
In phenomenon called the carbon pump, phytoplankton extract CO2 from atmosphere and use it for _ (2)
A
Metabolism
To make organic compounds
5
Q
Even small changes in carbon pump can affect _ and therefore climate
A
Atmospheric CO2
6
Q
Atmospheric CO2 dissolves in water and some is _
A
Released from ocean into atmosphere
7
Q
Oxygen produced by _ is released into atmosphere
A
Algal photosynthesis
8
Q
Nutrient runoff from land (farming) may stimulate excessive algal growth, leading to _
A
Toxic blooms
9
Q
- Carbon uptake: Carbon passes up food chain, phytoplankton consume zooplankton, _ consume zooplankton, etc.
A
Fish
10
Q
Some CO2 stored in seawater as dissolved _
A
Co2
11
Q
Carbon not used in _ dissolves
A
Photosynthesis
12
Q
- Decomposition: marine organisms die, sink to seabed and decomposed by _
A
Bacteria
13
Q
- Decomposition: bacteria respiration releases carbon stored in their bodies as _
A
Co2
14
Q
Some carbon remains stored in deep ocean and _
A
Seabed
15
Q
- Upwelling: co2 and nutrients from decomposition are cycled back up to surface water by _
A
Upward currents
