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Unit 4 Test- Environmental Science Questions & Answers

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What is the ultimate source of energy for most of Earth's ecosystem? - ANSWERSsun How much energy in one trophic level transfers to the next level? - ANSWERS10% primary producer (algae) - ANSWERS100% Herbivore (small fish) - ANSWERS10% Carnivore (Big fish) - ANSWERS1% Carnivore (Bird...

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  • October 17, 2024
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  • Unit 4 Test- Environmental Science
  • Unit 4 Test- Environmental Science
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Unit 4 Test- Environmental Science
Questions & Answers
What is the ultimate source of energy for most of Earth's ecosystem? - ANSWERSsun

How much energy in one trophic level transfers to the next level? - ANSWERS10%

primary producer (algae) - ANSWERS100%

Herbivore (small fish) - ANSWERS10%

Carnivore (Big fish) - ANSWERS1%

Carnivore (Bird) - ANSWERS0.1%

What are the three types of consumers? What do each of them consume? -
ANSWERS1. Herbivore- plants/producers
2. Carnivore- meat (anything other than plants)
3. Omnivore- plants & meat

Where is the one ecosystem that does not need sunlight? What process does it use
instead? What replaces sunlight for this process? - ANSWERS-deep in the ocean
around hydrothermal vents
- Chemosynthesis
- Hydrogen sulfide

What is the relationship between photosynthesis and cellular respiration? -
ANSWERSPhotosynthesis produces the stuff (sugar + O2) used in cellular respiration

Photosynthesis
1. Needed Materials?
2.Intended Product(s)?
3.By-product(s)?
4.Organelle?
5.Significance? - ANSWERS1. CO2 + H2O (light)
2. C6H12O6
3. O2
4. Chloroplasts
5. Makes food available for whole food chain.

Cellular Respiration
1. Needed Materials?
2.Intended Product(s)?

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