Use of Biological Resources - Food Production (Paper 2) Flashcards
1
Q
why are fish kept in cages in the sea for fish farming?
A
to stop them from using as energy swimming
protection from interspecific predation
2
Q
what are fish fed in fish farming?
A
a diet of food pellets that’s carefully controlled to maximise the amount of energy they get
3
Q
why are young fish kept in seperate cages in the sea?
A
to ensure as many survive as possible
to prevent intraspecific predation
3
Q
what is the bad thing about keeping fish in cages?
A
theyre more prone to disease and parasites
4
Q
what is the good thing about keeping fish in tanks?
A
water can be monitored for temp, pH and oxygen level
food can be controlled easily
water can be removed and filtered, avoiding pollution
