Answer all questions 1. Define the terms biotic and abiotic. 2. Give four examples of the human-made environment. 3. Which are the two major components of the biotic environment? 4.. The aquarium is not a natural ecosystem. True or false? 5. Man modifies his environment. Give reasons. 6. Plants and animals depend on each other. Justify with reason. 7. Describe the impact of human activity on the natural environment. 8. Give a reason why Earth is the home of human beings and other organisms. 9.. Which of these are not a threat to the environment? (a) Growing population (b) Growing plants (c) Growing industries (d) All of these 10. The World Environment Day is celebrated on _____every year. (a) 25 December (b) 23 June (c) 26 January (d) 5 June
Answers
Answer:
1. Things that are living is biotic. things that are non living is called abiotic
2. Bridge, roads, buildings, and monuments are four examples of human made environment.
3. Environment and biosphere
4. false
5. human beings modify the environment to make buildings etc
6. Plants and animals depend upon each other as mutual interdependence is must for their survival. Plants provide shelter for animals and they make oxygen for the animals to live. When animals die they decompose and become natural fertilizer plants. Plants depend on animals for nutrients, pollination and seed dispersal.
7. Humans impact the physical environment in many ways: overpopulation, pollution, burning fossil fuels, and deforestation. Changes like these have triggered climate change, soil erosion, poor air quality, and undrinkable water
8. The Earth is the home of human beings as it provides favourable living conditions which constitute our environment. It provides us with the air we breathe, water we drink, food we eat and land where we live.
9. b
10. D
Explanation: