Paciulli FINAL BIO 181 NCSU UPDATED ACTUAL Exam Questions and CORRECT Answers
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Paciulli FINAL BIO 181 NCSU UPDATED
ACTUAL Exam Questions and CORRECT
Answers
To the west of Wallace's Line in Southeast Asia are organisms related to Asiatic species. To
the east of the line, there is a mixture of species of Asian and Australian origin. This is an
example of: - CORRECT AN...
Paciulli FINAL BIO 181 NCSU UPDATED
ACTUAL Exam Questions and CORRECT
Answers
To the west of Wallace's Line in Southeast Asia are organisms related to Asiatic species. To
the east of the line, there is a mixture of species of Asian and Australian origin. This is an
example of: - CORRECT ANSWER- ✔✔biogeography
Two members of the initial Amish migration to Pennsylvania in 1744 shared the recessive
allele for Ellis-van Creveld syndrome, which results in a long narrow chest and shortening of
the limbs. More Amish people have these traits than the surrounding non-Amish population.
This is an example of... - CORRECT ANSWER- ✔✔the founder effect
Evolutionary changes within a species are most accurately referred to as: - CORRECT
ANSWER- ✔✔microevolution
Our ancestors had much bigger jaws than we do, which helped them chew a tough diet, tear
apart meat, etc. Their teeth also wore down quickly. Wisdom teeth (third molars) grew later in
life, and helped our ancestors continue to eat. Today, ~35% of people are born without
wisdom teeth. This is an example of: - CORRECT ANSWER- ✔✔evolution
The idea that most speciation is slow and uniforms is known as: - CORRECT ANSWER-
✔✔gradualism
Drongo birds live in central Africa. One population is found in evergreen rainy forest areas,
while another population is found in open grassland areas. The two populations live in two
different habitats 150 feet apart, and do not interbreed. The _____ Species Concept best
explains this phenomenon. - CORRECT ANSWER- ✔✔ecological
Selection pressure throughout earth's history has been most often exerted by... - CORRECT
ANSWER- ✔✔the environment
The first step of the scientific method is _____ . - CORRECT ANSWER- ✔✔observation
,People who are wealthy, and only marry people who are wealthy who have blond hair and
blue eyes are practicing a form of _____ mating. - CORRECT ANSWER- ✔✔assortative
Non-poisonous king snakes mimicking poisonous coral snakes is likely due to _____ -
CORRECT ANSWER- ✔✔biogeography
All wasps have stingers. This thing in my hand is a wasp. Therefore, this wasp can probably
sting me! This is an example of _____ reasoning. - CORRECT ANSWER- ✔✔deductive
We said that each level of life ... - CORRECT ANSWER- ✔✔has emergent properties
The only source of new genetic variation is / are _____ . - CORRECT ANSWER-
✔✔mutations
Although Jean-Baptiste Lamarck's work was important in the development of evolutionary
thought, he was wrong because he believed that characteristics were _____. - CORRECT
ANSWER- ✔✔aquired
The large antlers of moose help them fight other males, to gain access to females. -
CORRECT ANSWER- ✔✔intrasexual selection
Smaller teeth in all modern humans as our diets became less coarse. - CORRECT ANSWER-
✔✔directional selection
Two distinctly different beak sizes occur in a single population of black-bellied seed crackers
(a finch species that lives in Cameroon, West Africa). The small-billed individuals feed
mainly on soft seeds, while the large-billed individuals feed mainly on hard seeds. -
CORRECT ANSWER- ✔✔disruptive selection
The smallest unit capable of carrying out life functions is a / the - CORRECT ANSWER-
✔✔the cell
Blue-footed boobies (a species of bird) select mates after an elaborate courtship display. They
will not mate with other boobies.
,Indicate whether this an example of a prezygotic or postzygotic isolating mechanism, by
writing pre or post. - CORRECT ANSWER- ✔✔pre
Blue-footed boobies (a species of bird) select mates after an elaborate courtship display. They
will not mate with other boobies. - CORRECT ANSWER- ✔✔behavioral isolation
What is the name for the independent evolution of similar features in species of different
lineages that are usually due to living in similar environments? What is this called? -
CORRECT ANSWER- ✔✔convergent evolution
7 characteristics of life - CORRECT ANSWER- ✔✔1. cells
2. ordered complexity
3. sensitivity or response to stimuli
4. growth, development, and reproduction
5. energy utilization
6. homeostasis
7. evolutionary
life is _____ - CORRECT ANSWER- ✔✔an emergent property
deductive reasoning: - CORRECT ANSWER- ✔✔uses general principles to make scientific
predictions
general-----> specific
inductive reasoning: - CORRECT ANSWER- ✔✔uses specific observations to develop
general conclusions
specific-----> general
step 1 of scientific method - CORRECT ANSWER- ✔✔observation
step 2 of scientific method - CORRECT ANSWER- ✔✔2. hypothesis making
, step 3 of scientific method - CORRECT ANSWER- ✔✔prediction
step 4 of scientific method - CORRECT ANSWER- ✔✔experimentation
step 5 of scientific method - CORRECT ANSWER- ✔✔5. conclusion
possible explanation for an observation, must be tested for validity, allows for predictions to
be made - CORRECT ANSWER- ✔✔hypothesis
broad and strongest explanation, supported by a large body of sci research, with minimal
influence of human bias - CORRECT ANSWER- ✔✔scientific theory
change over time - CORRECT ANSWER- ✔✔evolution
evolution of a new species from an old one, changes over a long period of time - CORRECT
ANSWER- ✔✔macroevolution or speciation
evolutionary changes with in a species. change in heritable characteristics and allele
frequency over time - CORRECT ANSWER- ✔✔microevolution
How do we test if a population is changing? - CORRECT ANSWER- ✔✔Hardy-Weinberg
principle
an allele changes to another allele, thererby altering the gene
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