1. What effects do greenhouse gasses and overpopulation have on an ecosystem? 2.
ID: 149917 • Letter: 1
Question
1. What effects do greenhouse gasses and overpopulation have on an ecosystem? 2. What is a compost bin and what is the role of microorganisms? 3. What effect would a forest fire have on the carbon cycle? (HINT: Photosynthesis rate.) 4. If a consumer was removed from a food web, what effect would it have? 5. If a group of consumers increases, what affect would it have on the primary producers? 6. Explain the idea of a "great disruption" to an ecosystem. (In terms of stability of an ecosystem 7. How do primary producer populations relate to primary consumer populations? 8. How can overfishing, overharvesting, and overhunting change an ecosystem?Explanation / Answer
Answer(1) Greenhouse gases like Co2, methane damage ecosystem by increasing temperature due to infrared radiation which failed to escape to space. Overpopulation affect ecosytem because this leads to exhaustion of available resources.
Answer(2)Compost bin is organic matter, rich in nutrients used in soil as sources of nutrients. Microorganisms causes decomposition of large organic matter into simpler one so that nutrients become available.
Answer(3) Carbon dioxide fixation occur by the process of photosynthesis , forest fire leads to inadequate carbon fixation and carbon cycle become altered a large amount of unfixed carbon available in the environment .
Answer(4) If consumers are removed then large numbers of producers will be available and will distub ecosystem.
Answer(6) In case of great disruption stability of ecosystem becomed reduced . For example in case of flood, soil erosion occur and trees(primary producers) number decreases, less food become available for primary consumer . Thus food chain alter.
Answer(7)primary producer population related to primary consumer population because primary consumer is next trophic level in food chain after primary producer. Number of primary producer decreases with increase in primary consumer.
Answer(8) It is normally said that excess of anything is bad.
Overfishing- fishes may lie at primary and secondary trophic level, if ovrfishing occur then fishes population decreases which affect food chain in aquatic environment.
Likewise overharvesting and overhunting disrupt ecosystem by altering food chain.
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