Answer:
Differentiated cells have retained all their genetic potential
Explanation:
Differentiated cells are important in a multicellular organism because they are able to perform a specialised function in the body. Multicellular organisms must therefore retain some unspecialised cells that can replenish cells when needed. These unspecialised cells are called stem cells.
Some Lampreys are anadromous from their lake and they migrate up rivers to spawn.
Explanation:
If the adult fish live in the sea and migrate into fresh water to spawn is known as anadromous and if the adult fish live in fresh water and migrate into salt water to spawn is known as catadromous.
An anadromous fish like salmon, smelt,shad spends most of their life in the sea and returns to fresh water to spawn. A catadromous fish like eels lives in fresh water and enters salt water to spawn.
Sea lamprey brings nutrients into fresh water and provide a source of food for various birds, fish, mammals and people. The newly transformed lamprey can live only for few months in fresh water .
The females deposit a large number of eggs in nest made by males in the streams with strong current. Spawning is done by death of the adults
Answer:
the answer is 0.7%
of concentration of an isotonic solution
The food group is fats (sweets and oils)
