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Effects Species Have on their Living Environment pt2 - Coggle Diagram
Effects Species Have on their Living Environment pt2
Recycling of Nutrients
• Certain organisms, such as bacteria and fungi, use the bodies of dead organisms and animal waste for food
• These decomposers are important to producers
• Dead bodies and animal waste contain chemicals that producers can use to make their food
○ Usually a limited supply of these nutrients in the soil and water
○ Bacteria return these important chemicals to the soil and water
○ Allowing producers to use them
Carbon Cycle
• Oxygen the product of photosynthesis, Is used by animals in respiration
• Animals give out carbon dioxide when they respire (breathe out)
• This Carbon Dioxide is then used by producers again in photosynthesis
○ Carbon dioxide and oxygen are recycled
• Scientists are aware that some substances are biodegradable
○ Carbon, nitrogen, phosphorus, potassium, and other elements are constantly recycled
Ecological Succession
• Ecological succession describes the changing sequence of communities in an area over a long time
• Ecological succession is a good example of how organisms change both their biotic and abiotic environment
The Balance of Nature
• The balance of nature means that the population in a community tend to remain at similar levels over a period of many years
• Changes occur seasonally and occasionally there are population explosions
• The stability of populations is due to the complexity of food webs, as well as the recycling of materials