Answer:
When the salt water is mixed with fresh water,it is called brakish water which have the salinity 0.5 to 35 ppt.
Explanation:
The mixing of fresh and salt water is important for aquatic organisms.
The catadromous fish born in marine habitat but they spend their rest of life in the fresh water where growing and maturation takes place.
Ex- Eel is the common example of catadromous fish.
Like wise,
Anadromous fish born in fresh water and spends their life in the sea and return to fresh water for spawning.
For example Salmon, smelt, shad, are common examples.
Thus mixing of water is important for breeding and growing of these fishes.
More over, the brakish water contain world's most diversified life forms.
Explanation:
A cell's lipid bilayer allows to small uncharged substances such as: ions, hydrophobic molecules, oxygen and carbone dioxide to travel through the membrane by simple diffusion
Answer:
Bacteriochlorophyll
Explanation: Bacteria that contain bacteriochlorophyll do not use water as an electron donor and therefore do not produce oxygen.
Mutagens- vectors are things that carry diseases (e.g mosquitoes), pathogens are just germs and bacteria, agents are things which cause changes, whereas Mutagens are agents which cause genetic mutations
