Animal Classification - Phylum Nematoda

Question 1

Plant parasite

Answer 1

Eelworms

Question 2

Animal parasite

Answer 2

Roundworms

Question 3

What corps do eelworms attack?

Answer 3

The stems and roots of potatoes, onions and strawberries

Question 4

Most important eelworm in Irish agriculture?

Answer 4

Potato eelworm. Feeds on the roots of the potato plant, which causes stunted growth and small tubers. Crop rotation helps to prevent this.

Question 5

3 types of roundworms

Answer 5

Hookworms
Lungworms
Hairworms
(Cause infection in cattle)

Question 6

Life cycle of roundworms

Stage 1

Answer 6

Female roundworms lay eggs that pass in the cows faeces

Question 7

Life cycle of roundworms

Stage 2

Answer 7

Larvae develop and hatch from the egg

Question 8

Life cycle of roundworms

Stage 3

Answer 8

The larvae go through two more stages of development . They can now infect cattle

Question 9

Life cycle of roundworms

Stage 4

Answer 9

The larvae attach themselves to grass that the cows eat. They mature in the intestines of the cow and reproduce.

Question 10

Physical Characteristics

Answer 10

Rounded in cross - section
Separate sexes (sexual reproduction)
Body cavity
Body covered in a cuticle