In relation to ecology, explain the terms
(i) Abiotic - Leaving Cert Biology - Question 11 - 2014
Question 11
In relation to ecology, explain the terms
(i) Abiotic.
(ii) Edaphic.
(iii) Habitat.
Read the passage below and answer the questions that follow.
In the wild, me... show full transcript
Worked Solution & Example Answer:In relation to ecology, explain the terms
(i) Abiotic - Leaving Cert Biology - Question 11 - 2014
Step 1
Explain the term 'Abiotic'
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Answer
Abiotic refers to the non-living components of an ecosystem. These include factors such as temperature, sunlight, soil composition, water availability, and other physical and chemical elements that affect living organisms.
Step 2
Explain the term 'Edaphic'
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Answer
Edaphic refers specifically to soil properties and conditions that influence living organisms and ecosystems. This includes aspects such as soil pH, nutrients, texture, and moisture content.
Step 3
Explain the term 'Habitat'
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Answer
A habitat is the specific environment or natural home where an organism lives, which provides the resources necessary for its survival, including food, shelter, and mates for reproduction.
Step 4
Name one country where meerkats live in the wild.
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Answer
South Africa or Namibia.
Step 5
Where do colonies of meerkats make their home?
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Answer
Colony of meerkats makes their home in dry, open plains or scrubland, within a network of burrows.
Step 6
Explain the term 'predator'
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Answer
A predator is an organism that kills and eats another organism, known as prey, for food.
Step 7
What evidence is in the passage to suggest that meerkats are omnivores?
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Answer
The passage states that meerkats eat a variety of foods including lizards, snakes, insects, and plants, indicating that they consume both animal and plant matter.
Step 8
Meerkats have a high immunity to the sting of which animal?
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Answer
Meerkats have a high immunity to the sting of scorpions.
Step 9
Name the three kingdoms of organisms represented in the passage above.
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Answer
Plants, animals, and fungi.
Step 10
Give two reasons suggested by the photograph why meerkats make good sentries.
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Answer
Meerkats look alert and upright, which allows them to effectively monitor for potential threats.
Meerkats may have large eyes, which enhance their vision for spotting predators from a distance.
Step 11
Give two problems associated with waste disposal.
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Answer
Pollution caused by the accumulation of waste.
Health hazards due to vermin attracted to waste.
Step 12
Mention two ways of minimizing the amount of waste produced.
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Answer
Reduce or reuse materials to decrease waste generation.
Recycle waste products to repurpose materials.
Step 13
What is meant by the term 'quantitative'?
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Quantitative refers to data that can be measured and quantified, usually expressed in numerical terms, allowing for statistical analysis of the effects being studied.
Step 14
Describe how you carried out a quantitative survey on a species of plant in its habitat.
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Answer
To carry out a quantitative survey, I used a quadrat method by placing a defined area (e.g., 1m² quadrat) randomly within the habitat. I counted and recorded the number of individuals of the specific plant species present in each quadrat to analyze its distribution and abundance within the habitat over a set period of time.
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