Extinction Past Paper PDF

Extinction Your Name: 1. What characterizes a complicated ecosystem compared to a simple ecosystem? A. It has a large number of members and many alternatives. B. It has a limited number of species. C. It is usually less stable than simple ecosystems. D. It is highly dependent on specif...

Extinction Your Name: 1. What characterizes a complicated ecosystem compared to a simple ecosystem? A. It has a large number of members and many alternatives. B. It has a limited number of species. C. It is usually less stable than simple ecosystems. D. It is highly dependent on specific species. 2. Why are natural protectorates important for endangered species? A. They are meant to bring species into urban areas. B. They provide suitable conditions for growth and reproduction. C. They completely isolate species from their natural environment. D. They eliminate all potential threats to the species. 3. Which of the following is NOT a method to protect endangered species? A. Regulating hunting laws for rare organisms. B. Creating habitats for species in urban settings. C. Establishing gene banks for endangered species. D. Increasing public awareness about natural life. 4. How does a simple ecosystem respond to the absence of one of its species? A. It remains stable due to alternative species. B. It adapts easily by incorporating other species. C. It is greatly affected because of fewer alternatives. D. It becomes stronger and more diverse. 5. What is a primary characteristic of a simple ecosystem? A. It has a high number of species and high biodiversity. B. It features an abundance of alternative species. C. It involves a few members of organism species. D. It is resilient and unaffected by external changes. 6. What is the definition of extinction? A. The temporary decline in numbers of a species. B. The complete disappearance of individuals in a species. C. The increase in population of a species without limits. D. The coexistence of multiple species in an ecosystem. 7. Which factor is NOT considered a reason for macro extinctions in old ages? A. Environmental pollution caused by humans. B. Meteorite impacts with Earth. C. Volcanic gases leading to toxic environments. D. Long ice ages affecting habitats. 8. Which of the following is a reason for recent extinctions? A. Meteorite impacts. B. Destruction of natural habitats. C. Dinosaurs going extinct. D. Natural disasters unrelated to human activity. 9. Which organism is an example of an extinct species from ancient times? A. Dodo bird. B. Mammoth. C. Tyrannosaurus rex. D. Bison. 10. Which species is protected within the Yellowstone protectorate? A. Rhinoceros B. Grey hear C. Dodo bird D. Panda bear 11. What type of marine life does the Ras Mohamed protectorate mainly protect? A. Rare species of coral reefs and colored fish B. Dodo birds C. Complete whales' skeleton fossils D. Panda bears 12. What role do fossil records play in understanding extinction? A. They provide insights into the behavior of extinct species. B. They identify the types of living organisms from different ages. C. They show the current population trends of living species. D. They indicate only the geographical locations of extinct species. 13. Which protectorate is known for containing complete whales' skeleton fossils? A. Ras Mohamed B. Panda C. Yellowstone D. Wadi El-Raiyan 14. Which of the following is an example of how human activities have contributed to extinction? A. Oil pollution killing marine birds. B. Violent Earth movements. C. Meteorite collisions with the Earth. D. Natural climatic changes. 15. What was one of the main factors causing recent extinction? A. Long ice ages B. Destroying natural habitat C. Volcanic gases D. Meteorite impacts 16. Which of the following describes the dodo bird? A. A flying bird species now extinct. B. An ancient mammal closely related to modern elephants. C. A large aquatic animal that once lived in oceans. D. A non-flying bird species now extinct. 17. Which of the following is an example of a recently extinct species? A. Mammoths B. Sabre-toothed cat C. Dodo bird D. Dinosaurs 18. What is one implication of continuous decrease in species numbers? A. It will eventually lead to increased biodiversity. B. It can result in complete extinction of that species. C. It reflects successful adaptation to environmental changes. D. It promotes the growth of new species in the same ecosystems. 19. What percentage of the total area of Egypt is comprised of natural protectorates as of 2012? A. 15% B. 10% C. 25% D. 20% 20. Which of these factors has NOT contributed to macro extinctions? A. Toxic gases from volcanoes B. Environmental pollution C. Earth movements D. Meteorite impacts 21. Which species is considered endangered? A. Barbary sheep B. Quagga C. Dinosaur D. Mammoth 22. What is the primary consequence of species extinction in a balanced ecosystem? A. It leads to the growth of all other species. B. It creates a cavity in the path of energy affecting ecosystem equilibrium. C. It decreases biodiversity but maintains energy transfer. D. It results in an increase in species population. 23. Which of the following organisms is considered a producer in the food chain? A. Green plant B. Owl C. Snake D. Frog 24. What happens to the food chain when frogs are removed from the ecosystem? A. The number of snakes will increase dramatically. B. Snakes die due to starvation and locust populations surge. C. Owl populations will thrive without competition. D. Frogs will adapt by migrating to other ecosystems. 25. Which of these species is categorized as an endangered species mentioned? A. House sparrow B. Bald eagle C. Grizzly bear D. Domestic cat 26. What characterizes a simple ecosystem? A. It consists of few members and is strongly affected by species loss. B. It has a balanced food web with no impact from extinction. C. It has many diverse species. D. It is highly resilient to changes. 27. In the absence of snakes, which population is likely to increase? A. Frogs B. Green plants C. Locusts D. Owls 28. Which species serves as a link in the food chain described? A. Owl B. Green plant C. Frog D. Papyrus plant 29. In what way does the Ibis bird contribute to Egyptian ecosystems? A. It acts as a primary producer. B. It is an endangered species. C. It plays a role in the food chain as a consumer. D. It is a top predator.