PISA 2025 Practice Assessment (SCIENCE)
Quiz by Kim Dela Cruz
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The diagram below represents the same location over a period of many years. As a result of these changes,
biodiversity in the area decreases
the community becomes more stable
the community becomes less stable
biodiversity is not affected
Between 1880 and 2020, Earth’s temperature increased slightly more than 1°C. The best explanation for this increase is:
volcanic activity releasing ash and dust into the atmosphere
changing concentrations of gases in the atmosphere
a decrease in the amount of sunlight reaching Earth each year
an increase in the amount of solar radiation reflected back into space
The diagram below represents the same location over a period of many years. As a result of these changes,
Between 1880 and 2020, Earth’s temperature increased slightly more than 1°C. The best explanation for this increase is:
During the 1880s, in an attempt to control the rat population, the Asian mongoose was brought to the Hawaiian Islands. However, there was a flaw in the plan. Rats are active at night, while mongooses feed on birds and eggs during the day. They had little effect on the rat population. The mongoose population rapidly increased and caused the extinction of many bird species native to the islands.
Bringing mongooses to the Hawaiian Islands is an example of:
Many companies today are looking for ways to reduce the use of finite resources. They are working to recycle, reuse, and repair more products to reduce dumping and pollution. Which statement best describes a positive result of these changes?
A food web is represented below. A chemical was introduced into this environment that caused a decrease in the population of mice.
This would most likely cause:
Populations of organisms making up an Arctic food chain are represented below.
Which statement concerning this food chain is the most accurate?
The data represented in the graph below show differences in the concentration of carbon dioxide (CO2) in the atmosphere during the summer and winter months.
Which statement best explains why these differences occur?
