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Bio 121 Final Exam Questions With All Verified Solutions.
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Taxonomy - Answer study of naming/classifying Phylogeny - Answer evolutionary history In a phylogenic tree, what does a longer line infer? - Answer That it took longer for evolution to occur between the two species than the two species with the shorter line. What are the six kingd...

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  • October 17, 2024
  • 8
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • taxonomy

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  • BIO 121
  • BIO 121

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Bio 121 Final Exam Questions With All
Verified Solutions.
Taxonomy - Answer study of naming/classifying



Phylogeny - Answer evolutionary history



In a phylogenic tree, what does a longer line infer? - Answer That it took longer for evolution to occur
between the two species than the two species with the shorter line.



What are the six kingdoms? - Answer Archae Bacteria, Eubacteria, Protista, Plantae, Fungi, Animalia



What kingdom was split to create the sixth kingdom? - Answer Monera was split into Archae Bacteria
and Eubacteria



What are the differences between eucaryotes and prokaryotes regarding reproduction and organelles? -
Answer Eukaryotes reproduce sexually and asexually and they have many organelles. Prokaryotes
reproduce asexually only and have few organelles.



What distinguishes the three domains? - Answer sequence ribosomal RNA



What are the three domains? - Answer Bacteria, Archaea, and Eucarya



What are the six requirements for life? - Answer Metabolism, reproduction, genetics, evolution, growth
(populations), and adaptation



What are some examples of common solutions that species use when lacking the requirements for life? -
Answer Major metabolic pathways (glycosis), replicate DNA, genetic codes

, When climates are unfavorable, what do bacteria do? Plants? Animals? Protista? - Answer
Bacteria/fungi - produce spore

Plants - seed/go dormant

Animals - hibernate/migrate

Protista- cyst (protective stage)



Explain autotrophy vs heterotrophy. - Answer Autotrophy - self-feeding (synthesize organic compounds
from inorganic sources)

Heterotrophy - other feeding (synthesize energy from organic substances)



What are the two types of autotrophs? - Answer Chemoautotrophs (energy from chemical compounds)
and photoautotrophs (energy from light)



What is a facultative heterotroph? Example? - Answer They can feed through organic and inorganic
substances (carnivorous plants)



Which of the six kingdoms are heterotrophic and which are autotrophic? - Answer Archae Bacteria -
Autotrophic

Eubacteria - Both heterotrophic and autotrophic

Protista - Mainly heterotrophic, some are autotrophic

Plantae - Autotrophic

Fungi - Heterotrophic

Animalia - Heterotrophic



What are carbohydrates? - Answer .sugars and starches



What are the functions of carbohydrates? - Answer source of energy, energy storage, structural
components



What is the structural component of plants? Fungi? - Answer Plants - cellulose

Fungi - chitin

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