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Ecology Quiz 112 (20 MCQs)

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1. An organism that eats both plants and other animals is also known as .....
2. If a secondary consumer receives 50, 000 kJ of energy from ingesting the producer, the producer received at least ..... kJ of energy from the sun
3. Plants growing under shade are known as
4. Which list only contains abiotic conditions that might be found in a pond ecosystem
5. Which describes the possible flow of energy in an ecosystem?
6. The organism that a parasite infects
7. These type of consumers are important for the cycle matter because they feed by chemically breaking down organic matter, which helps molecules return to the soil and contribute to the cycle
8. One characteristic feature of the tundra is that only the surface thaws in the summer and refreezes in the winter, leaving a permanently frozen subsoil. This characteristic is known as
9. All of the nonliving things in an ecosystem are called
10. Which of the following is the best example of a density-independent limiting factor?
11. How is the majority of energy within an ecosystem lost?
12. Plankton that are more animal in nature are called what?
13. Which of the following is not an interaction organisms have with each other?
14. Which of the following is NOT considered to be a symbiotic relationship?
15. Organisms that make their own food:
16. Food webs are models that show:
17. What do the arrows in a food chain represent?
18. The job of decomposers in an ecosystem is to
19. The arrows in a food chain or web represent .....
20. Organisms that feed on plants and animals
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