Bioindicators for Water Pollution/Invertebrates 16.3

Question 1

Define bioindicators

Answer 1

Bioindicators are a biological way we use to measure the change or condition of an environment. Measurement can be done through plants and animals. In this case, it is done through invertebrates

Question 2

Rat-tailed maggot and sludge worms

Answer 2

0-3 Oxygen(mg per litre)/High Pollution

Question 3

Water Louse

Answer 3

3-5 Oxygen(mg per litre)/Moderate Pollution

Question 4

Freshwater Shrimp

Answer 4

5-6 Oxygen(mg per litre)/Low Pollution

Question 5

Mayfly Nymph

Answer 5

6-8 Oxygen(mg per litre)/No Pollution