The pericardial cavity separates the parietal and visceral pericardium
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.
Phylum Bacteria are the major lineages(Known as Phyla or Divisions) of the domain bacteria.
Answer:
1- was a proponent of evolutionary change.
2- established a binomial system of classification for plants and animals
Explanation:
Carolus Linnaeus was a Sweden naturalist that is considered to be the creator of the modern taxonomy. He created a dichotomic system to classify species, in which species are fixed entities without phenotypic modifications across time, this concept being contrary to Darwin's ideas. Linnaeus published his nomenclature botanical system in the book "Species Plantarum", which is nowadays a reference book for plant nomenclature.
