This quiz works best with JavaScript enabled. Home > Science > Earth > Ecology – Quiz 165 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 165 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The study of interactions between organisms and their environment is known as A) Ecology. B) Biome. C) Biology. D) Ecosystem. Show Answer Correct Answer: A) Ecology. 2. Represents a single pathway through which energy and matter flow A) Food chain. B) Food web. Show Answer Correct Answer: A) Food chain. 3. Which kind of growth does the human population follow? It is described as a J-shaped curve. A) Exponential Growth. B) Logistic Growth. C) Outstanding Growth. D) Minimal Growth. Show Answer Correct Answer: A) Exponential Growth. 4. All of the following are threats to biodiversity EXCEPT A) Overharvesting. B) Habitat fragmentation. C) Invasive species. D) Species preservation. Show Answer Correct Answer: D) Species preservation. 5. What does biodiversity mean? A) A lot of rain. B) Rich soil. C) Many kinds of plants and animals. D) Great climate differences. Show Answer Correct Answer: C) Many kinds of plants and animals. 6. A group of the same type of organisms living in the same place at the same time. A) House. B) Group. C) Population. D) Community. Show Answer Correct Answer: C) Population. 7. Aquatic biome that covers 3/4 of earth A) Marine. B) Freshwater. C) Savanna. D) Grassland. Show Answer Correct Answer: A) Marine. 8. Which biotic factor will have the greatest impact on the number of field mice living in a field? A) Water. B) Trees. C) Hawk. D) Forest fire. Show Answer Correct Answer: C) Hawk. 9. What word best describes mammals, fish, birds, and plants, as well as the sun, soil, air and water in an environment? A) Abiotic. B) Ecosystem. C) Community. D) Biosphere. Show Answer Correct Answer: B) Ecosystem. 10. Random changes in the DNA are- A) Natural selection. B) Mutations. C) Adaptations. D) Genetic migration. Show Answer Correct Answer: B) Mutations. 11. Rain, sleet, snow, and hail are all forms of ..... A) Percolation. B) Evaporation. C) Condensation. D) Precipitation. Show Answer Correct Answer: D) Precipitation. 12. To carry out ..... algae amd plants need sunlight, carbon dioxide, and water A) Predator adaptions. B) Carnivores. C) Photosynthesis. D) None of the above. Show Answer Correct Answer: C) Photosynthesis. 13. It is the study of land-based ecosystems along with the interactions of their communities of plants and animals. A) Land Ecology. B) Terrestrial Ecology. C) Ecosystem Ecology. D) Interaction Study. Show Answer Correct Answer: B) Terrestrial Ecology. 14. In an ecosystem, a producer: A) Produces organic molecules using energy from the sun or chemicals. B) Consumes other organisms, but produces most of the energy for an ecosystem. C) Produces more organisms that are of the same species as itself. D) None of above. Show Answer Correct Answer: A) Produces organic molecules using energy from the sun or chemicals. 15. The clownfish makes a home in the sea anemone and the sea anemone get food from the clownfish. This is ..... A) Commensalism. B) Mutualism. C) Parasitism. D) None of the above. Show Answer Correct Answer: B) Mutualism. 16. Herbivores eat this A) Meat. B) Plants. C) Meat and plants. D) None of above. Show Answer Correct Answer: B) Plants. 17. What is an animal that eats animals and plants? A) Carnivore. B) Herbivore. C) Omnivore. D) None of above. Show Answer Correct Answer: C) Omnivore. 18. ..... is all the same species in the same place at the same time. A) Ecosystem. B) Population. C) Community. D) Biome. Show Answer Correct Answer: B) Population. 19. Populations grow until they reach a ....., where they begin to level off A) Unit Cap. B) Limitation Range. C) Carrying Capacity. D) Population Stop. Show Answer Correct Answer: C) Carrying Capacity. 20. 6) How have plants adapted to survive in the desert? A) They have large root systems to collect water. B) They store water in their leaves and trunks. C) They have sharp spines to protect them from animals. D) All of the above. Show Answer Correct Answer: D) All of the above. ← PreviousNext →Related QuizzesScience QuizzesEcology Quiz 1Ecology Quiz 2Ecology Quiz 3Ecology Quiz 4Ecology Quiz 5Ecology Quiz 6Ecology Quiz 7Ecology Quiz 8Ecology Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books