Your cart is empty.
Practice Life History Theory - Evolution - Ecology and Evolution previous year questions organised from real papers, with year-wise coverage and clear topic navigation.
Every graph below is calculated only from this selection.
Compare question counts across years.
How the classified questions are distributed by difficulty.
MCQ, numerical, multiple-select and other formats found in these papers.
Top subjects by unique question coverage.
Top topics across the included previous year papers.
Top subtopics inside this exact selection.
Question coverage for the most populated papers. Every active PYP paper remains listed below.
Newest papers appear first. Search these papers or sort by year and name.
| Paper name | Year | Attempt | |
|---|---|---|---|
Ecology and Evolution (EY) 20262026 | 2026 |
|
|
Ecology and Evolution (EY) 20252025 | 2025 | |
|
Ecology and Evolution (EY) 20222022 | 2022 | |
|
Ecology and Evolution (EY) 20192019 | 2019 | |
|
Ecology and Evolution (EY) 20142014 | 2014 | |
|
Practice every matching question in batches of 20, with every available option.
Semelparous species are those that produce all of their offspring in a single reproductive event. The survivorship curve of a population of a semelparous species would most likely resemble which of the following?
Lizards that produce many eggs often have a shorter lifespan than those who produce fewer eggs. Which one of the terms below describes the relationship between the number of eggs and lifespan?