Ecology MCQs

30 Score: 0 Attempted: 0/30 Subscribe
1. : What is the branch of biology that deals with the interaction between organisms and their environment?





2. : The place where an organism lives is called its?





3. : A group of organisms of the same species living in a given area is known as?





4. : Which of the following is a biotic factor?





5. : The sum of all ecosystems on Earth is called?





6. : Which of the following is an example of a producer in an ecosystem?





7. : In a food chain, primary consumers are usually?





8. : Which term describes species that are found only in a particular region?





9. : Which of the following is an example of mutualism?





10. : Decomposers play an important role in ecosystems because they?





11. : Which biome is characterized by low rainfall and cactus plants?





12. : What term describes the role an organism plays in its ecosystem?





13. : Which of the following is an abiotic factor?





14. : The transfer of energy from one trophic level to the next is usually about?





15. : Which cycle involves the movement of carbon through the atmosphere, organisms, and soil?





16. : In ecological succession, the first species to colonize an area are called?





17. : Which of the following is the largest terrestrial biome on Earth?





18. : The relationship where one organism benefits and the other is harmed is called?





19. : An ecological pyramid that shows energy flow is called?





20. : Which organisms are at the top of most food chains?





21. : The gradual change in species composition of an area over time is called?





22. : Which gas is released during photosynthesis?





23. : Which of the following is an example of commensalism?





24. : Which biome is known as the “lungs of the planet”?





25. : The organisms that break down dead organic matter are called?





26. : Which biome is dominated by grasses and few trees, with seasonal rainfall?





27. : The variety of life forms in a given area is referred to as?





28. : Which factor is responsible for the distribution of terrestrial biomes?





29. : Which type of succession occurs on bare rock after a volcanic eruption?





30. : Which of the following is an example of a keystone species?





Contents Copyrights Reserved By T4Tutorials