How much is sea and fresh water?
- sea 3 %, fresh 97 %
- sea 99 %, fresh 3 %
- sea 97%, fresh 3 %
What is neuston?
- plankton near the surface
- plankton on the bottom
- organisms on the surface of indusium
Euphonical layer is:
- lighten enough, photosynthesis is dominant above breathing
- not lighten enough, breathing is dominant above photosynthesis
- layer, where no plants are
Temperature of water:
- is a limiting factor for organisms
- is not a limiting factor for organisms
- influences only plants
How did animals adapt to the decrease of water amount?
- Hydrophobic surface of the body
- větší výdej vody
- Reduction of sweat glands
How did animals adapt to the increase of water amount?
- brighter body colouring
- hydrophobic surface of the body
- reduction of sweat glands
Lotic water is:
- standing water
- running water
- sea water
Lentic water is:
- standing water
- running water
- sea water
Water plants are called:
- hydrofyts
- hygrofyts
- mezofyts
Hydrophilous plants are called:
- hygrofyts
- hydrofyts
- xerofyts
