Parasites

Question 1

What is the name given to parasites that live on the surface of the host?

Answer 1

Ectoparasites

Question 2

What is the name given to parasites that live in the host?

Answer 2

Endoparasites

Question 3

How many hosts does the ‘normal’ parasite require and why?

Answer 3

More than one. The eggs sometimes mature in an intermediate host.

Question 4

What is a host?

Answer 4

The organism that the parasite lives in/on.

Question 5

What is a Definitive host?

Answer 5

The host that the mature parasites live on.

Question 6

What is the intermediated Host?

Answer 6

The host that the parasite lives on whilst developing.

Question 7

What is a vector?

Answer 7

A living host that transports the parasite from one host to another.

Question 8

What does Symbiotic mean?

Answer 8

A close and often long-term interaction between two or more species.

Question 9

What does Parasitism mean?

Answer 9

A non-mutual symbiotic relationship between species.

Question 10

What are invertebrates?

Answer 10

An organism that doesn’t have a spinal column i.e star fish

Question 11

What is the correct name for a worm?

Answer 11

Helminth

Question 12

What are the two sub categories of worms?

Answer 12

Platy Helminths - Flat Worms

Nemat Helminth - Round Worms

Question 13

List 3 characteristics of Helminth.

Answer 13

Multi cellular
Eukaryotic
Invertebrates

Question 14

What are the two types of Round Worm?

Answer 14

Pin worms & Hookworms

Question 15

What are the two types of Flay worm?

Answer 15

Tape worm & Flukes

Question 16

What are the characteristics of Round worm?

Answer 16

Long thin non-segmented bodies
Anterior mouths and a long digestive track
There internal cavity is filled full of fluid
They contain muscles
Have different sexes.

Question 17

Describe a flat worm

Answer 17

Long flat bodies
No digestive tract
Very long
lay millions of eggs
attach to the intestine
segmented