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IB ESS Test 2 Questions & Answers 2024/2025
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IB ESS Test 2 Questions & Answers 2024/2025
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IB ESS Test 2 Questions & Answers2024/2025
Community - ANSWERSA group of various species that live in the same habitat and interact with each
other
Population - ANSWERSA group of individuals that belong to the same species and live in the same area
Ecosystem - ANSWERSA community of organisms and their abiotic environment
Respiration - ANSWERSThe conversion of organic matter into carbon dioxide and water, in all living
organisms, releasing energy.
Respiration representation - ANSWERSGlucose+oxygen->carbon dioxide+water
During reapiration large amounts of energy are dissapated as heat, increasing entropy
Photosynthesis - ANSWERSEnergy from the sun and carbon dioxide and water enters an ecosystem when
a plant uses sunlight to make glucose molecules. Oxygen is being released.
primary producers - ANSWERSconvert light energy to chemical energy via photosynthesis
Producers (autotrophs) - ANSWERSMake their own food
Consumers - ANSWERSOrganisms that eat living producers and/or other consumers for food.
Decomposers - ANSWERSOrganisms that get their food from the dead remains of other organisms
trophic level - ANSWERSstep in a food chain or food web
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