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Exam (elaborations)

Biology 104 Final Exam with complete solutions

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  • Biology 104
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  • Biology 104

Biology 104 Final Exam with complete solutions

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  • August 5, 2024
  • 9
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Biology 104
  • Biology 104
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millyphilip
Biology 104 Final Exam with complete
solutions
Fungi can colonize a dead tree branch and chemically break it down. These fungi are
classified as? - Answer -decomposers

This is the smallest unit of life: - Answer -cell

How do prokaryotes reproduce? - Answer -Binary fission

Who was the first to outline that fossils were evidence of the remnants of past
organisms? - Answer -George Buffon

One species of plant pollinates from July to August, and another species flowers and
pollinates between May and June and as a result do not cross pollinate with each other.
This is an example of: - Answer -temporal isolation

In natural selection, the idea that members of a population differ in inherited traits is
best described as: - Answer -individual variation

Today, cladograms are commonly based on? - Answer -molecular data

The following is a true statement about the characteristics of prokaryotic and eukaryotic
cells: - Answer -prokaryotic cells characterize the make up of bacteria; and eukaryotic
cells make up plants

Who was the first to propose the origin of organic molecules on early earth? - Answer -
Miller and Urey

This is not a type of pre zygotic reproductive barrier: - Answer -hybrid isolation

Which of these occurred most recently according to the geological time scale? - Answer
-origin of most animals

When did prokaryotic life first appear on earth? - Answer -3.5 billion years ago

What is the structure in a bacterial cell that contains the chromosome? - Answer -
nucleoid region

, These are the products of cellular respiration: - Answer -carbon dioxide, water, and ATP

Flagella in bacteria are mainly used for: - Answer -movement

The technique for dating fossils that measures a ration of isotopes is best described as:
- Answer -radiometric dating

Who was the first to link a microorganism to a disease? - Answer -Louis Pasteur

There are two species of fish, one which must live in salt water, and the other in
freshwater. As a result, these two species cannot mate. This is an example of: - Answer
-habitat isolation

What does the similarities in anatomy between the wings of bats and flippers of whales
illustrate? - Answer -homology

Wisdom teeth once served a function in human digestion, but are no longer used.
These are best described as: - Answer -vestigial

Which of these can be classified as a producer? - Answer -plant

This accurately describes both a main tenet and the conclusion of natural selection: -
Answer -overproduction/competition and unequal reproductive success

What is the term for studying the similarities in anatomy in organisms during early
development? - Answer -Comparative embryology

In a population of flowers, the allele for purple flower color is P, and the allele for white
flower color is p. The frequency of P = .1 and the frequency of p = .9. In the next
generation, what is the frequency of the PP genotype with random mating? - Answer
-.01

The term that best describes all the alleles for flower color in a certain species of pea
plant in a population at a certain time is: - Answer -gene pool

What is the outermost layer of a bacterial cell? - Answer -cell wall

What is the broadest level of classification in taxonomy? - Answer -Domain

The Isthmus of Panama is a bridge of land separating the Caribbean Sea and the
Pacific Ocean. On each side of the isthmus, there is a different species of snapping
shrimp that descended from a common ancestor present before the formation of the
isthmus. This is an example of: - Answer -allopatric speciation

This is the correct sequence in the organization of levels of life within a biosphere from
the largest to smallest scale: - Answer -ecosystem, community, population, organism

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