eutrophication Flashcards
1
Q
1
A
fertilisers are washed into bodies of water, leading to an increase in nutrient concentration
2
Q
2
A
nutrients are food for algae, which grow and bloom on surface of the water
3
Q
3
A
the bloom absorbs sunlight, blocking it from reaching the bottom
4
Q
4
A
plants (who need light) will die. algae also starts to die after eating all the nutrients and running out of food
5
Q
5
A
bacteria starts to break down dead plants and algae, releasing more nutrients into the water
6
Q
6
A
bacteria consume more oxygen as they grow and respire
7
Q
7
A
leading to a lack of water (anoxic)
8
Q
8
A
without oxygen the animals suffocate and die