1. (a) Name the phylum to which earthworms belong - Leaving Cert Agricultural Science - Question 1 - 2019
Question 1
1. (a) Name the phylum to which earthworms belong.
(b) State two beneficial effects of earthworms in the soil.
1.
2.
(c) The photograph shows a wormery, which i... show full transcript
Worked Solution & Example Answer:1. (a) Name the phylum to which earthworms belong - Leaving Cert Agricultural Science - Question 1 - 2019
Step 1
Name the phylum to which earthworms belong.
96%
114 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
The phylum to which earthworms belong is Annelida.
Step 2
State two beneficial effects of earthworms in the soil.
99%
104 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
Earthworms improve soil drainage and aeration, which enhances root growth and plant health.
They break down organic matter, creating humus that increases soil fertility.
Step 3
Describe four steps taken when setting up the wormery to investigate earthworm activity.
96%
101 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
Layer the wormery with a mixture of soil and sand to create a suitable environment.
Add leaves or organic matter on top as a food source for the earthworms.
Introduce earthworms into the wormery and ensure they have enough space to move.
Keep the wormery covered in a cool, dark place for at least a week to observe their activity.
Step 4
Name one sign of earthworm activity that would be observed in the wormery at the end of the investigation.
98%
120 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
One sign of earthworm activity would be the presence of mixed layers or tunnels through the soil, or worm casts visible on the surface.
Join the Leaving Cert students using SimpleStudy...
