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Bio Unit 3 Review

QuestionAnswer
Explain why autotrophs can also be self feeders? Auto means Self and autotrophs feed itself
What is the main source of energy for all living organisms on earth? Sunlight
What are the reactants of photosynthesis? CO2the are ,H2O,light energy
What are the products of photosynthesis Carbohydrates and Oxygen
Without photosynthesis what would happen to our atmosphere? the air would not contain enough oxygen to breaths
Name 3 examples of organisms that undergo photosynthesis ? algae,bacteria,and plants
What are the reactants chemosynthesis? CO2,Hydrogen sulfide, oxygen
What are the products of chemosynthesis? Carbohydrates and Sulfur Compounds
What is required for photosynthesis to occur that is not required for chemosynthesis? Sunlight
Where are organisms that undergo chemosynthesis typically found? Deep in the Ocean
Do all organisms belong only to one consumer category? No,they are often in more than one category
What are the two primary sources of energy that power living systems? photo and chemo synthesis
Explain how consumers obtain energy they rely on other organisms for nutrients and energy
How are Detritivores different from Decomposers? Decomposers chemically break down organic matter and whatever they don't consume, the detritivores consume
Why are food webs a more accurate depiction of energy transfers within an ecosystem than food chains? the feeding relationships are more complicated than the relationships shown in a simple food chain, and animals eat more than one type of food
How are food webs and food chains related? within food webs are food chains
What would happen if decomposers and detritivores did not exist nutrients would remain within the dead animals
Why is it only a small portion of energy is transferrend to the next trophic level organisms expend much of the energy they acquire on life processes
What percentage of enrgy available within one trophic level is transferred to the next level? 10%
Created by: vmfrance18
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