Term
| Aquatic Environments have: |
|
Definition
| Low oxygen diffusion and solubility. |
|
|
Term
| What is the second major gas? |
|
Definition
|
|
Term
| Ideal waste product? Waste and vital? |
|
Definition
|
|
Term
|
Definition
|
|
Term
| How much of ocean 1000M and cold |
|
Definition
|
|
Term
|
Definition
| survive 400 atm below the water, grow best at 1 atm. |
|
|
Term
|
Definition
| grow best at pressure up to 500-600 atm |
|
|
Term
|
Definition
| 700 atm or more but some survice at 1 atm. |
|
|
Term
|
Definition
single-celled organisms without nuclei
survive at high temperatures, often above 100 C.
Found in cold,saline,acidic,alkaline. |
|
|
Term
|
Definition
live grow and multiply in highly saline, environments. aerobic with carotenoids that give them pink color. offset high salt by producing potassium and glycine-betaine.
are aerobic and have specialized cell wall. |
|
|
Term
|
Definition
benthic zone: ocean floor
pelagic zone: ocean waters. |
|
|
Term
|
Definition
euphotic: sunglight penetrates to about 660 feet, photosynthesis can occur and plants can grow.
dysphotic: some sunlight reaches, not enough photosynthesis, down to about 3,300 feet.
Aphotic zone: no sunlight reaches, 20,000 ft. |
|
|
Term
| organic matter is produced where? |
|
Definition
|
|
Term
|
Definition
| adopted to low organic matter levels and are inhibited by high organic matter. |
|
|
Term
|
Definition
| grow at low temp 0C and also above 20C |
|
|
Term
|
Definition
| grow at 0C but not above 20C due to selection pressure organisms survive and grow at normal low ocean temp. |
|
|
Term
|
Definition
| -hot chemical filled water flows up through cracks in the Earth's crust. |
|
|
Term
|
Definition
| 6-23C hot vents are 270-380 |
|
|
Term
|
Definition
| NItrogen, phyto,bacteria, protozoa,zooplankton, top consumers. |
|
|
Term
|
Definition
|
|
Term
|
Definition
| anoxygenic phototrophic bacteria |
|
|
Term
|
Definition
| algae floating or suspending freely in the water, act as primary producers, phototrophic organisms. |
|
|
Term
|
Definition
| produce new organic matter and oxygen |
|
|
Term
| surfaces of the lake based on temperature |
|
Definition
epilimnion: too warm
hypolimnion: not enough oxygen
thermocline: reigion in between. |
|
|
Term
|
Definition
| device for culturing a large diversity of microorganisms. |
|
|
