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Ecology Quiz 139 (20 MCQs)

Quiz Instructions

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1. Which of these is an example of a limiting factor
2. Green plants absorb light energy and use it to combine carbon dioxide and water to make starch which then is stored as starch in their stems and leaves. True or false?
3. What is missing from this food chain? Grass > Grasshopper > Bird > Snake
4. Members of a species in a defined area
5. Which group uses the sun's energy to make food?
6. Cutting of trees in a forest is callled
7. What is the study of interactions between organisms and the living and nonliving components of their environment?
8. An Organism that can't make its own food and has to eat other organisms.
9. What is labeled as 3?
10. Which of the following factors is not a threat to biodiversity?
11. When energy moves between trophic levels in an ecosystem energy is lost as?
12. My mother ..... flowers in our garden.
13. If an organism is extinct, that means
14. Organisms use 90% of the available energy at each trophic level.
15. What does fungi do to dead plants and animals?
16. A(n) ..... eats mainly plants.
17. Throw your ..... in the bin
18. Series of changes that occur in an area where no soil or organisms exist
19. If a producer receives 5, 000, 000 kJ of energy, the tertiary consumer would only have access to about ..... kJ of energy
20. Adaptation
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