Question 25. What is the main idea of the passage?

• A. How living things and non-living things remain healthy.
• B. How living things and non-living things help each other.
• C. The environment depends on the interaction of each in order to remain healthy.
• D. When the sunlight and gives life to the non-living things.

Phân tích: Đoạn văn mô tả cách các yếu tố sống (sinh vật) và không sống (vô sinh) tương tác với nhau trong một hệ sinh thái để duy trì sự cân bằng và khỏe mạnh. Câu C tóm tắt ý này một cách chính xác nhất.

Đáp án: C. The environment depends on the interaction of each in order to remain healthy.

Question 26. Which of the following are the non-living parts of the ecosystem called?

• A. Biotic factors
• B. Environmental factors
• C. Abiotic factors
• D. Climate factors

Phân tích: Đoạn văn định nghĩa: "The non-living parts of the ecosystem are called abiotic factors. All living things need non-living things in order to survive. Some of these abiotic factors include water, minerals, 1 air, sunlight, soil and temperature."  1. www.scribd.com

www.scribd.com

Đáp án: C. Abiotic factors

Question 27. According to the passage, all of the following are true EXCEPT

• A. All the organisms of a species living in the same area make up a population.
• B. Environmental factors never have any effect on the survival of organisms.
• C. The living parts of an ecosystem are called biotic factors.
• D. All living things need non-living things in order to survive.

Phân tích:

• A. "Each kind of organism whether it’s an animal, plant, fungus, or bacteria is a member of a different species. All the organisms of a species living in the same area make up a population." - Đúng
• B. "All living things need non-living things in order to survive. Some of these abiotic factors include water, minerals, air, sunlight, soil and temperature. The environment must also have the right temperature for organisms to survive." - Môi trường (bao gồm các yếu tố vô sinh) rõ ràng có ảnh hưởng đến sự tồn tại của sinh vật. - Sai
• C. "The living parts of the ecosystem are called biotic factors. Plants and algae are called producers." - Đúng
• D. "All living things need non-living things in order to survive." - Đúng

Đáp án: B. Environmental factors never have any effect on the survival of organisms.

Question 26: D. The living parts of an ecosystem are called biotic factors. (The passage defines biotic factors as all living organisms.)

Question 27: B. Environmental factors are the eco-driving force of the ecosystem except biotic factors. (The passage states that abiotic factors are the non-living components that influence living organisms.)

Question 28: C. All living things in the same area make up a population. (A population is defined as a group of individuals of the same species living in the same area.)

Question 29: A. All living things survive and non-living things remain healthy. (The passage describes the interdependence of living and non-living components.)

Question 30: C. When the sunlight gives life to the non-living things. (Sunlight is a non-living component that provides energy for living things.)