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Junior Cycle · Junior Cycle Science

Junior Cycle Science: Ecology & habitats

How often Ecology & habitats comes up on the Science papers, every year it was asked, and questions to try.

CL Asked on 5 of the last 6 Common Level papers, most recently in 2026. most years

Ecology & habitats, Common Level(7 marks)

Quick ones on Ecology & habitats.

(a)In a food chain, what is a producer?
  1. An animal that eats only plants
  2. A green plant that makes its own food
  3. An organism that breaks down waste
(b)In the food chain grass → rabbit → fox, what is the fox?
  1. Decomposer
  2. Primary consumer
  3. Secondary consumer
(c)Why are food chains rarely longer than four or five links?
  1. Energy is lost at each level
  2. Plants cannot trap enough light
  3. Animals only eat one kind of food
Show the answers

(a) A green plant that makes its own food

(b) Secondary consumer

(c) Energy is lost at each level

Your turn: Common Level questions on Ecology & habitats.

Common Level

Asked on 5 of the last 6 Common Level papers, most recently in 2026. most years

Every paper, year by year

YearWhere it came up
2026Q5, Q14
2025Not asked
2024Q1, Q13, Q15
2023Q6
2022Q4
2019Q8

Links open the State Examinations Commission’s paper for that year.

Other Science topics

All of Junior Cycle Science