18 Questions
What is the natural environment composed of?
Both abiotic and biotic factors
What is a critical function of the natural environment?
Regulating climate
Which of the following is a human activity that threatens the natural environment?
Pollution
What is the goal of sustainable development?
Meeting the needs of the present without compromising the ability of future generations to meet their own needs
What is the main purpose of preservation efforts?
To protect natural areas from human impact
What is the term for rehabilitating damaged or degraded ecosystems?
Restoration
Which word differs in the position of the primary stress?
famous
What is the correct word to complete the sentence: He was the most ___ football player that our school had produced in years.
talented
Which word is closest in meaning to 'achievements'?
achievements
Who is probably the richest and most successful person in computer software?
pioneer
What can overpopulation in urban areas result in developing countries?
shortages
What are organic products produced without?
ecology-friend
______ biggest problem with eating too much sugar is [that] it can cause [the diabetes].
the
[The victim's family] ______ that the police [arrested] [the attacker].
demanded
[My boyfriend] wasn't looking [at the road] [when] he ______ into a hole.
fell
They ______ his phone number, [what] [makes] it difficult to [contact him].
have lost
Mark the letter A, B, C, or D to indicate the sentence that best combines each pair of sentences in the following questions: They have lost his phone number. This makes it difficult to contact him.
They have lost his phone number, which makes it difficult to contact him.
Mark the letter A, B, C, or D to indicate the sentence that best combines each pair of sentences in the following questions: Linda can sing and dance very well. She has never performed in public.
Linda can sing and dance very well, but she has never performed in public.
Study Notes
Definition of Natural Environment
- The natural environment refers to the external surroundings in which living organisms exist, including air, water, land, and living things.
- It is the sum of all external factors that affect living organisms, including climate, geography, and natural resources.
Components of the Natural Environment
- Abiotic factors: non-living components, such as:
- Light
- Temperature
- Water
- Soil
- Air
- Biotic factors: living components, such as:
- Plants
- Animals
- Microorganisms
Importance of the Natural Environment
- Supports life: provides essential resources, such as air, water, and food, for living organisms.
- Regulates climate: natural processes, such as photosynthesis and respiration, help maintain the Earth's climate.
- Maintains ecosystem balance: the natural environment provides a delicate balance between different species and their habitats.
Threats to the Natural Environment
- Human activities: pollution, deforestation, overfishing, and climate change.
- Natural disasters: hurricanes, wildfires, and earthquakes.
Conservation Efforts
- Preservation: protecting natural areas, such as national parks and wildlife reserves.
- Restoration: rehabilitating damaged or degraded ecosystems.
- Sustainable development: managing natural resources in a way that meets the needs of the present without compromising the ability of future generations to meet their own needs.
Definition of Natural Environment
- Natural environment refers to the external surroundings in which living organisms exist, including air, water, land, and living things.
- It is the sum of all external factors that affect living organisms, including climate, geography, and natural resources.
Components of the Natural Environment
- Abiotic factors:
- Light
- Temperature
- Water
- Soil
- Air
- Biotic factors:
- Plants
- Animals
- Microorganisms
Importance of the Natural Environment
- Supports life by providing essential resources, such as air, water, and food, for living organisms.
- Regulates climate through natural processes, such as photosynthesis and respiration.
- Maintains ecosystem balance by providing a delicate balance between different species and their habitats.
Threats to the Natural Environment
- Human activities:
- Pollution
- Deforestation
- Overfishing
- Climate change
- Natural disasters:
- Hurricanes
- Wildfires
- Earthquakes
Conservation Efforts
- Preservation:
- Protecting natural areas, such as national parks and wildlife reserves.
- Restoration:
- Rehabilitating damaged or degraded ecosystems.
- Sustainable development:
- Managing natural resources in a way that meets the needs of the present without compromising the ability of future generations to meet their own needs.
Exam Information
- The exam is for 12th-grade students in the academic year 2022-2023.
- The exam has 50 questions, divided into four sections: multiple-choice questions, sentence completion, reading comprehension, and grammar correction.
- The exam duration is 60 minutes, excluding the time for distributing the exam papers.
Grammar and Vocabulary
- Identifying words with different primary stress positions.
- Choosing the correct word to complete sentences, including words with different meanings and grammatical structures.
- Understanding vocabulary related to various topics, such as urbanization, conservation, and personal characteristics.
Reading Comprehension
- Reading and understanding passages about different topics, including the importance of conservation, the impact of urbanization, and personal stories.
- Identifying main ideas, supporting details, and the writer's tone or attitude.
Grammar Correction
- Identifying grammatical errors in sentences, including subject-verb agreement, tense consistency, and modifiers.
- Correcting sentences to improve clarity and accuracy.
Sentence Completion
- Completing sentences with the correct phrase or clause to ensure grammatical accuracy and logical meaning.
- Understanding the relationships between clauses and phrases in a sentence.
Multiple-Choice Questions
- Answering questions that require reading comprehension, vocabulary, and grammar skills.
- Identifying the correct answer from a set of options, including distractors and closely related answers.
Learn about the natural environment, including its definition, components, and factors that affect living organisms. Understand the difference between abiotic and biotic factors.
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