Environment

Which of the following best defines the term 'environment'?

• A collection of living organisms in a specific area.
• A complex system of physical, chemical, biological, and social factors surrounding living organisms.
• Only the natural elements like air, water, and soil.
• The sum of human-made structures in a city.

How do abiotic and biotic factors interact in an ecosystem?

• Abiotic factors provide the necessary conditions for biotic factors to thrive.
• Abiotic factors have no influence on biotic factors.
• Biotic factors create abiotic factors.
• Biotic factors only depend on other biotic factors.

What are abiotic factors in the environment?

• Living organisms that interact with each other.
• The social and cultural contexts of organisms.
• Only the human-made elements in the environment.
• The non-living chemical and physical elements.

What is a significant abiotic factor that influences the types of life forms in a region?

• Animal population
• Climate
• Soil composition
• Plant diversity

Which abiotic factor is crucial for the survival of life in both freshwater and saltwater ecosystems?

• Soil
• Temperature
• Water
• Air

What role do plants play in an ecosystem?

• They decompose organic matter.
• They have no significant role.
• They are primary producers that convert sunlight into energy.
• They are primary consumers that eat other organisms.

Which of the following is an example of a biotic factor in an ecosystem?

• Climate
• Plants
• Soil
• Water

Which of the following best describes the concept of trophic levels?

• The relationship between abiotic and biotic factors.
• The classification of organisms based on their habitat.
• The hierarchy of energy flow through different levels of producers and consumers.
• The geographical distribution of species.

In an ecosystem, how do animals maintain population balance?

• By interacting with both plants and other animals.
• By competing for resources only with their own species.
• By migrating to different ecosystems.
• By avoiding contact with other species.

Which of the following statements accurately describes ecosystems?

• Ecosystems consist only of living organisms.
• Ecosystems are isolated and do not interact with each other.
• Ecosystems are only found in natural environments.
• Ecosystems include all biotic and abiotic components interacting within a specific area.