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BIOL 322 Quiz 1 (for) MIDTERM Exam 2025 Questions and Answers
BIOL 322 Quiz 1 (for) MIDTERM Exam 2025 Questions and Answers
Course:
BIOL 322
Institution:
BIOL 322
BIOL 322 Quiz 1 (for) MIDTERM Exam 2025 Questions and Answers
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| Uploaded on: | September 2, 2025 |
| Last updated: | September 4, 2025 |
| Number of pages: | 15 |
| Written in: | 2025/2026 |
| Type: | Exam (elaborations) |
| Contains: | Questions & Answers |
| Tags: | BIOL 322 Quiz 1 (for) MIDTERM Exam 2025 Questions and Answers |
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BIOL 322 Quiz 1 (for) MIDTERM Exam 2025 Questions and Answers Haedean - ....ANSWER☑️☑️...-4.5-3.8BYA 4= cell life Archaean - ....ANSWER☑️☑️...-3.8-2.5 3.8=bact and archaea seperate (stromatolites say life 0 (anoxygenic photosynthesis) just before 2.5= cyanobacteria! Proterzoic - ....ANSWER☑️☑️...-2.5-0.5 2.5=O2 event! 2= ozone shield...multicellular euk just before 0.5= cambrian explosion Phanerzoic - ....ANSWER☑️☑️...-0.5 to now animals! dino extinction! surface orgin hypothesis - ....ANSWER☑️☑️...-soup w organic and inorganic cmpds in warm little pond= SPONTANEOUS formed cellular organic precursers, but earth was so inhospitable... so unlikely! subsurface orgin hypothesis - ....ANSWER☑️☑️...-warm hydrothermal vents alkaline and cool water acidic mixed with iron and precipitates catalyzing the 1
