Identify the incorrectly matched pair:

Population interaction

Species A

Species B

1.

Mutualism

+

+

2.

Predation

+

-

3.

Parasitism

-

-

4.

Commensalism

+

0

Subtopic:  Population Interactions: Predation | Population Interactions: Parasitism |
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The human liver fluke depends on two intermediate hosts that are:

1. A crustacean and a fish
2. A snail and a fish
3. An echinoderm and a fish
4. Fishes of two different species
Subtopic:  Population Interactions: Parasitism |
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Cuckoos laying their eggs in the nests of crow is an example of:

1. Ectoparasitism 2. Endopararsitism
3. Hyperparasitism 4. Brood parasitism
Subtopic:  Population Interactions: Parasitism |
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All the following relations are examples of commensalism except:

1. Sea anemone and clown fish
2. Cattle egret and grazing cattle
3. Barnacles growing on the back of whale
4. Cuscuta growing on hedge plants
Subtopic:  Population Interactions: Competition | Population Interactions: Parasitism | Population Interactions: Commensalism, Protocooperation & Mutualism |
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