Explain the term parasite - Leaving Cert Agricultural Science - Question Question 1 - 2008
Question Question 1
Explain the term parasite.
Name one example of a parasite of a farm animal.
Name the host animal that is affected by this parasite.
What is the difference between a... show full transcript
Worked Solution & Example Answer:Explain the term parasite - Leaving Cert Agricultural Science - Question Question 1 - 2008
Step 1
Explain the term parasite.
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Answer
A parasite is an organism that lives on or in a host, deriving its nutrients at the host's expense. Parasites can cause harm to their hosts by disrupting normal bodily functions and can even lead to disease.
Step 2
Name one example of a parasite of a farm animal.
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Answer
An example of a parasite of a farm animal is the sheep liver fluke (Fasciola hepatica).
Step 3
Name the host animal that is affected by this parasite.
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Answer
The host animal affected by the sheep liver fluke is the sheep.
Step 4
What is the difference between an ectoparasite and an endoparasite?
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Ectoparasites are parasites that live on the outer surface of the host, such as mites and fleas, while endoparasites are parasites that live inside the host's body, such as worms and protozoa.
Step 5
Give one example of a parasite of a plant.
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An example of a parasite of a plant is the dodder (Cuscuta species), which attaches to host plants and derives nutrients from them.
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