Bio 121 Final Exam Questions With All Verified Solutions.
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Course
BIO 121
Institution
BIO 121
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...
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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