Read the following passage and answer the questions that follow - Leaving Cert Biology - Question c - 2022
Question c
Read the following passage and answer the questions that follow.
A recent Environmental Protection Agency (EPA) report states that a large number of Ireland’s river... show full transcript
Worked Solution & Example Answer:Read the following passage and answer the questions that follow - Leaving Cert Biology - Question c - 2022
Step 1
Explain the terms 'ecosystem' and 'flora' in the article.
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
Ecosystem: An ecosystem consists of organisms and their environment that interact with each other. This includes various flora, fauna, and abiotic factors that together form a balanced habitat.
Flora: Flora refers to the plant life present in a particular region or environment. In the context of the article, it pertains to the various species of plants found in rivers.
Step 2
Name two activities, referred to in the article, that can lead to high levels of pollutants in rivers.
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
Sewage (or slurry) discharge.
Fertiliser runoff from agriculture.
Step 3
State two harmful effects, referred to in the article, of pollutants on river ecosystems.
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
Fish kills caused by reduced oxygen levels.
Overgrowth of plants leading to raised nitrate levels.
Step 4
Name the important biomolecule in living things that requires nitrogen.
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
Protein.
Step 5
Name a group of organisms that act as decomposers in the nitrogen cycle.
97%
117 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
Bacteria, fungi, or insects such as worms.
Join the Leaving Cert students using SimpleStudy...
