true or false

1.fish disease is one of the main causes of fish mortality

2. fish are constantly exposed to a wide variety of diseases and parasites that occur in surface smooth and bottom water

3.fish are subject to inspection by disease causing viruses bacteria and fungi

4.fish are also parasitized by tapeworm trematodes grabs nematodes roundworms leeches and lies

5.most of the organism normally occur at high levels in farm ponds and in limited numbers on the fish

6. some parasitized fish in a pond are unusual

7.large numbers of infected fish are causes for concern since low growth sterility stand population and massive fish kills may result from extensive disease and parasites infestation

8.a suffering from disease or parasites usually die slowly a few fish each day

9.fish diseases and parasites seldom which epidemic levels and sudden small fish kills in farm ponds are rarely caused by disease or parasites

10.only in severe cases when fish are in population starving crowded injured mixed with wild fish or stress by rough handling high oxygen level low temperature or chemical toxins do disease and parasites become a serious problem

11.the term fish mentality commonly used in british english is a synonym for fish life

12.natural mortality is a removal of fish from the stock due to causes not associated with fishing

13.fishing mortality is the removal of fish from the stock due to environmental factor

14. the natural environment of fish is land when fish is removed from their environment they are subject to stress

15.any departure from the normal condition of an organism means that organism is suffering from stress

sana masagot nyo po
#respect​