4. Earth is home to credibly diverse range of flora and fauna. A B C D 5. Human activities have negative impacts on Earth's ecosystems. A B C D 6. Valleys are low-lying landforms found between mountains or hills. A B C D 7. Landforms play a crucial role in shaping Earth's geography and climate. A B C D 8. Herbivores, such as deer and rabbits, eat plants as their primary food source. A B C D 9. Examples of habitats include forests, grasslands, wetlands deserts, and coral reefs. C D A B 10. Studying food chains helps ecologists understand the dynamics of ecosystems. A. B C D IV. Choose the best answer a, b, c or d to complete the sentence. 1. The survival of predators in the food chain relies __ the availability of their preys. a. with b. on C. under d. for

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4. Earth is home to credibly diverse range of flora and fauna. A B C D 5. Human activities have negative impacts on Earth's ecosystems. A B C D 6. Valleys are low-lying landforms found between mountains or hills. A B C D 7. Landforms play a crucial role in shaping Earth's geography and climate. A B C D 8. Herbivores, such as deer and rabbits, eat plants as their primary food source. A B C D 9. Examples of habitats include forests, grasslands, wetlands deserts, and coral reefs. C D A B 10. Studying food chains helps ecologists understand the dynamics of ecosystems. A. B C D IV. Choose the best answer a, b, c or d to complete the sentence. 1. The survival of predators in the food chain relies __ the availability of their preys. a. with b. on C. under d. for

Answer 1

Here's the breakdown of the correct answers and explanations:**Multiple Choice:*** **4. Earth is home to a **credibly** diverse range of flora and fauna.** * **Correct Answer: B** The word "credibly" is the most appropriate choice here, meaning "in a way that can be believed." * **5. Human activities have negative impacts on Earth's ecosystems.** * **Correct Answer: A** This statement is a widely accepted fact. * **6. Valleys are low-lying landforms found between mountains or hills.** * **Correct Answer: A** This is the accurate definition of a valley.* **7. Landforms play a crucial role in shaping Earth's geography and climate.** * **Correct Answer: A** Landforms significantly influence weather patterns, water flow, and overall landscape.* **8. Herbivores, such as deer and rabbits, eat plants as their primary food source.** * **Correct Answer: A** This is the defining characteristic of herbivores.* **9. Examples of habitats include forests, grasslands, wetlands, deserts, and coral reefs.** * **Correct Answer: A** These are all recognized and distinct types of habitats.* **10. Studying food chains helps ecologists understand the dynamics of ecosystems.** * **Correct Answer: A** Food chains are a fundamental concept in ecology, revealing relationships and energy flow within ecosystems.**Sentence Completion:*** **1. The survival of predators in the food chain relies __ the availability of their preys.** * **Correct Answer: b. on** The phrase "relies on" indicates a dependence, making it the most logical choice.

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