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2024 BIOLOGY 1108 EXAM 1 CHAPTER 20-23 WITH CORRECT ANSWERS
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2024 BIOLOGY 1108 EXAM 1 CHAPTER 20-23 WITH CORRECT ANSWERS
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2024 BIOLOGY 1108 EXAM 1CHAPTER 20-23 WITH CORRECT
ANSWERS
What are the three domains? - CORRECT ANSWERS-Bacteria, Archaea,
Eukarya
What is a prokaryote? - CORRECT ANSWERS-Cell that does not have a
nucleus. They can be bacteria or archaea.
What is the difference between a prokaryotic and eukaryotic cell? - CORRECT
ANSWERS-Eukaryotes have nucleus and organelles while prokaryotes do not.
Where are Archaea found? - CORRECT ANSWERS-In very extreme
environments. For example, external heat (volcano)
Where are bacteria generally? - CORRECT ANSWERS-Regular places, water,
skin, etc.
What is the most inclusive category in taxonomy? - CORRECT ANSWERS-
Domain
What is the smallest category in taxonomy? - CORRECT ANSWERS-Species
How would horizontal gene transfer benefit organisms that are engaged in it?
- CORRECT ANSWERS-HGT is the transfer of genes among unrelated species.
This may also help organisms adapt to changing environmental conditions.
How to populations evolve by means of natural selection? - CORRECT
ANSWERS-Organisms with an advantage survive and produce offspring that
likely have the same advantage. The population may change through time
containing more individuals with this advantage.
Which of the following is the correct arrangement of some categories of the
taxonomic hierarchy from most inclusive to least inclusive? - CORRECT
ANSWERS-domain, kingdom, phylum, class, order, family, genus, species
, Which of the following provides evidence that viruses are alive? - CORRECT
ANSWERS-Viruses are not considered alive by most scientists.
In this cycle, viruses are reproducing inside the house so but not yet
emerging from it. - CORRECT ANSWERS-lysogenic cycle
An attenuated virus... - CORRECT ANSWERS-Is a mutated virus's that is
generally incapable of infecting a host
Who invented Binomial Nomenclature (naming organisms) and the
taxonomic hierarchy (placing organisms within categories based on
similarities)? - CORRECT ANSWERS-Carl Linnaeus, a Swedish botanist
(1700's)
What is binomial nomenclature? - CORRECT ANSWERS-It is a two naming
system made up of the genus (first word, starts with capital letter and is
italicized) and the specific epithet (not capital, italicized).
A species... - CORRECT ANSWERS-Has ATLEAST two names
What is the science of classifying organisms into groups? - CORRECT
ANSWERS-Taxonomy
What different kingdoms are there? - CORRECT ANSWERS-Anamalia, plantae,
fungi, protista (not called that anymore)
What is a branch point? - CORRECT ANSWERS-A place where a lineage
branches off.
What is a phylogenetic tree? - CORRECT ANSWERS-It is a diagram that shows
the similarities and evolutionary relationships. It is a hypothesis regarding
relationships.
Basal taxon - CORRECT ANSWERS-Early evolved lineage that is not branched.
Where and what is a sister taxa? - CORRECT ANSWERS-Two lineages branch
from the same point. They share a common ancestor.
What is a polytomy? - CORRECT ANSWERS-It means that the people
describing the organisms don't use the evolutionary relationships between
the organisms so they put them with a possible ancestor.
Taxa - CORRECT ANSWERS-Multiple groups
Taxon - CORRECT ANSWERS-One group
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