Ecology Quiz 72 (20 MCQs)

Quiz Instructions

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1. Which of these is NOT a Primarily human impact on the environment?
2. A group of ecosystems with similar climates and organisms
3. Change the O2 and sugars into CO2, H2O, and ATP
4. In most ecosystems, the original source of energy is the
5. Animals in the highest trophic level of a food chain will often be the largest in body size but will be few in numbers. What accounts for the small numbers?
6. Ethan, Benjamin, and Aiden are on a field trip to a nature reserve. They are asked to identify abiotic factors in their surroundings. What are they looking for?
7. The physical and chemical characteristics of the environment
8. A type of symbiosis in which one species benefits and the other is harmed or killed .....
9. What type of symbiotic relationship occurs when one organism benefits and the other is unaffected?
10. Sharks are messy eaters that swim around all day with a small Remora fish attached to their undersides. The Remora eats any food that the shark may drop. The Remora does nothing for the shark. This is an example of .....
11. An isopod attaches itself to the tongue of a fish and then eats the food the fish tries to consume. This is an example of .....
12. All bacteria are
13. Which category of organism cannot make its own food?
14. Which biome is shown in the picture?
15. Organisms that only eat producers
16. Organisms use nitrogen to form
17. Organisms that get their food directly from plants.
18. Plants are very resistant to ..... in the grasslands.
19. How does the energy flow in an energy pyramids?
20. All organisms of the same species in an ecosystem.