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Paciulli FINAL BIO 181 NCSU Exam Study Guide Solutions

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Paciulli FINAL BIO 181 NCSU Exam Study Guide Solutions 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: - ANSWER- biogeography Two members of t...

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Paciulli FINAL BIO 181 NCSU Exam Study

Guide Solutions

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: - 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... -

ANSWER✔✔-the founder effect

Evolutionary changes within a species are most accurately referred to as: - 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:

- ANSWER✔✔-evolution

The idea that most speciation is slow and uniforms is known as: - 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. - ANSWER✔✔-

ecological

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Selection pressure throughout earth's history has been most often exerted by... - ANSWER✔✔-the

environment

The first step of the scientific method is _____ . - 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. - ANSWER✔✔-assortative

Non-poisonous king snakes mimicking poisonous coral snakes is likely due to _____ - 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. - ANSWER✔✔-deductive

We said that each level of life ... - ANSWER✔✔-has emergent properties

The only source of new genetic variation is / are _____ . - 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 _____. - ANSWER✔✔-aquired

The large antlers of moose help them fight other males, to gain access to females. - ANSWER✔✔-

intrasexual selection

Smaller teeth in all modern humans as our diets became less coarse. - 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. - ANSWER✔✔-disruptive selection

The smallest unit capable of carrying out life functions is a / the - ANSWER✔✔-the cell

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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. - ANSWER✔✔-pre

Blue-footed boobies (a species of bird) select mates after an elaborate courtship display. They will not

mate with other boobies. - 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? - ANSWER✔✔-convergent

evolution

7 characteristics of life - 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 _____ - ANSWER✔✔-an emergent property

deductive reasoning: - ANSWER✔✔-uses general principles to make scientific predictions

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general-----> specific

inductive reasoning: - ANSWER✔✔-uses specific observations to develop general conclusions

specific-----> general

step 1 of scientific method - ANSWER✔✔-observation

step 2 of scientific method - ANSWER✔✔-2. hypothesis making

step 3 of scientific method - ANSWER✔✔-prediction

step 4 of scientific method - ANSWER✔✔-experimentation

step 5 of scientific method - ANSWER✔✔-5. conclusion

possible explanation for an observation, must be tested for validity, allows for predictions to be made -

ANSWER✔✔-hypothesis

broad and strongest explanation, supported by a large body of sci research, with minimal influence of

human bias - ANSWER✔✔-scientific theory

change over time - ANSWER✔✔-evolution

evolution of a new species from an old one, changes over a long period of time - ANSWER✔✔-

macroevolution or speciation

evolutionary changes with in a species. change in heritable characteristics and allele frequency over time

- ANSWER✔✔-microevolution

How do we test if a population is changing? - ANSWER✔✔-Hardy-Weinberg principle

The mechanisms of evolution (MaNaGGeR) - ANSWER✔✔-1. mutation

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