A phenomenon, in the scientific context, is an observable event that can range from a seasonal hazard to a technological issue. For a scientist, a phenomenon is an observable event.
Answer:
the dissolved oxygen of the water decreases.
the fish need the oxygen for respiration, breathing through their gills.
Explanation:
The salinity decreasing doesn't affect the pickerel, because it's a freshwater fish. no salt needed.
more light penetrating the water just means that more aquatic weed or grasses would grow, giving the pickerel more area to spawn their eggs.
temperature increase in the summer has no affect on the fish, since the spawning happens in late winter.
Answer: a, to avoid overgrazing, vegetation loss and soil erosion
Explanation: I just finished the assignment and it was correct
Answer:
A) identical to its parent
Explanation:
It was produced through asexual reproduction.
Answer:
A salt water fish living in the Indian Ocean