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Biodiversity and Conservation — Free MYP1 Sciences Practice Questions
1QuestionDefinition and Importance of BiodiversityConcept Practice
3 marks~5 minCriterion A
The diagram shows four ecosystems: rainforest, desert, coral reef, and farmland. Each ecosystem displays a different number of animal icons representing the species found there.
a
Identify the ecosystem with the highest biodiversity. [1]
b
Describe what biodiversity means. [1]
c
Compare the biodiversity of the rainforest and the farmland, using evidence from the diagram. [1]
Solutions
2QuestionMethods of ConservationAssessment Practice
2 marks~3 minCriterion D
A local park has put up a fence around an area to protect native plants from being stepped on.
Describe one way this fenced area could affect the birds living in the park. [2]
Describe one way this fenced area could affect the birds living in the park. [2]
Solutions
3QuestionDefinition and Importance of BiodiversityConcept Practice
3 marks~5 minCriterion B
The table below shows four ecosystems, the number of different species living in each one, and how long each ecosystem took to recover after a dry period.
Ecosystem: Tropical rainforest — 500 species — recovers in 10 months
Ecosystem: Coral reef — 400 species — recovers in 14 months
Ecosystem: Farmland — 50 species — recovers in 36 months
Ecosystem: Desert — 30 species — recovers in 48 months
Ecosystem: Tropical rainforest — 500 species — recovers in 10 months
Ecosystem: Coral reef — 400 species — recovers in 14 months
Ecosystem: Farmland — 50 species — recovers in 36 months
Ecosystem: Desert — 30 species — recovers in 48 months
a
Identify the ecosystem with the greatest number of different species. [1]
b
Describe what happens to recovery time as the number of different species in an ecosystem gets smaller. [1]
c
Compare the tropical rainforest and the desert, using the data to explain which one recovers faster after a dry period and why. [1]
Solutions
4QuestionDefinition and Importance of BiodiversityAssessment Practice
5 marks~8 minCriterion C
Maria looks at two school gardens after one year.
Garden A: 15 types of plants — health score 8 out of 10
Garden B: 3 types of plants — health score 5 out of 10
Garden A: 15 types of plants — health score 8 out of 10
Garden B: 3 types of plants — health score 5 out of 10
a
Identify which garden has the higher health score. [1]
b
Describe what Maria's results show about the number of plant types and plant health. [2]
c
Give one reason why Maria's results alone may not be enough to answer whether more plant types always leads to healthier plants. [2]
Solutions
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