Laboratory 3 Info
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term used to identify an aquatic community that is characterized by standing water as opposed to flowing water
physical and chemical factors
yield primary production of organic material that is the foundation of the community
- Those who feed on autotrophs
- can either be herbivorous or carnivorous
shallow area near the shore
open, offshore area of the lake
extends from the water surface to the depth of light penetration
Microscopic chlorophyll-containing bacteria and protists
- middle zone characterized by the lack of light penetration into the water column
- extends down to the area immediately above the bottom sediments
Bacteria and protists that are more "animal-like"
characterized by the bacterial decomposition of the remains of plants, animals, and other organisms that lived and died in the lake
layering effect of warmer water over cooler water
As water becomes warmer...
capacity to hold dissolved oxygen and carbon dioxide decreases
As water becomes cooler...
capacity to hold dissolved oxygen and carbon dioxide increases
What factors affect the concentration of dissolved oxygen and carbon dioxide?
- Water temperature
- Respiration in the cells of organisms living in the water
carbon dioxide is used up and oxygen is produced
characterized by the production of ATP; uses oxygen and produces carbon dioxide
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