Global MCQ Practice

🌐 Total MCQ
🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books

Ecology Quiz 182 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. An organism that uses an outside source of energy like the sun to create energy-rich food molecules.
2. Demographic transition is change from high birthrates and high death rates to
3. Non-point source of pollution
4. A shrimp is warned of danger by a fish and the fish gets a home dug by the shrimp. Which type of symbiotic relationship is this?
5. In the ocean nitrogen is often the limiting nutrient. What does this term mean?
6. Where do all living things exist?
7. All the organisms of the same species living in the same place at the same time are called:
8. Many biotic factors affect individuals in a population. An example of an organism being directly affected by a biotic factor is
9. Cyles that recycle chemical elements and water needed by organisms
10. What is likely to happen to the population of lions if the population of trees decrease
11. Seals eat fish. What would happen to the seal population if almost all of the fish died?
12. What is an example of a legume?
13. In the rain forest this is a layer that makes up shorter trees and vines and is called the
14. Lastly cell theory states .....
15. Known as the "Power Houses" of the cell. These organelles convert energy stored in food to energy that the cell can use to live and function
16. What comes 3rd in the scientific method after researching the problem?
17. Series of changes that occur in an area where soil or organisms exist
18. A major regional or global community of organisms is called
19. Which process takes Carbon Dioxide from the air and converts it into a form of carbon used by living things?
20. During a science class, Charlotte, Henry, and James were learning about different types of organisms. They learned that some organisms synthesize their own energy using sunlight. What are these organisms called?
🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books