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Evolutionary Biology MCQ

Comparative biochemistry is the study of similarities and differences in _______ among organisms.

Development

Homologous structures

DNA sequences

Vestigial structures

Answer

Correct Answer: DNA sequences

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Lock (1998) argues that menopause __________.

Post-menopausal

Maximum parsimony

Police patrol oversight.

Genetic drift

Answer

Correct Answer: Post-menopausal

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Fossilized stromatolites __________.

Resemble structures formed by bacterial communities that are found today in some warm, shallow, salty bays

All date from 2.7 billion years ago

Formed around deep-sea vents

Provide evidence that plants moved onto land in the company of fungi around 500 million years ago

Contain the first undisputed fossils of eukaryotes and date from 2.1 billion years ago

Answer

Correct Answer: Resemble structures formed by bacterial communities that are found today in some warm, shallow, salty bays

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According to the theory of _____, todays organisms evolved from past organisms.

Common descent

Popular descent

Common DNA

Popular DNA

Answer

Correct Answer: Common descent

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All the following are true of using solar photocells, except ________.

Many new "green collar" jobs being created by their increasing use

They are strongly encouraged in the United States by tax incentives and large development investment

With continued production, manufacturing costs of solar photocells are dropping

They have a very low carbon footprint

They are great for decentralized power production, away from power plants and grids

Answer

Correct Answer: They are strongly encouraged in the United States by tax incentives and large development investment

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Examine the evolutionary tree below. this tree tells us that the amnion is found in ______.

Amphibians only birds only

Mammals, lizards, and snakes only

Lungfishes and amphibians

Mammals, lizards, snakes, crocodiles, and birds

Answer

Correct Answer: Mammals, lizards, snakes, crocodiles, and birds

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A requirement of cladistics is that a grouping must include ________.

Change in allele frequency in a population

A common ancestor and all its descendants

Changes in genes within a population over time

Genetic dift, natural slection, mutations

Answer

Correct Answer: A common ancestor and all its descendants

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The greatest number of endemic species is expected in environments that are _____.

Easily reached and ecologically diverse

Isolated and show little ecological diversity

Isolated and ecologically diverse

Easily reached and show little ecological diversity

Answer

Correct Answer: Isolated and show little ecological diversity

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The Galápagos Islands are cooled by the _____.

Equatorial Countercurrent

Humboldt Current

Monsoon Drift

Gulf Stream

Kuroshio Current

Answer

Correct Answer: Humboldt Current

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The branch of biology that explains both the diversity and the unity of life is ______.

Evolution

Microbiology

Taxonomy

Genetics

Answer

Correct Answer: Evolution

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In one sense, microevolution is _ and macroevolution is _.

Punctuated; random

Gradual; punctuated

Process; result

Result; process

Adaptive; innovative

Answer

Correct Answer: Process; result

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Natural selection acts on , and evolve.

Individuals; populations

Extinction; populations

Island; individuals

None of these

Answer

Correct Answer: Individuals; populations

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According to the endosymbiosis theory _______ were engulfed by larger eukaryotic cells.

Golgi apparatus

Mitochondria

Lysosomes

Ribosomes

Answer

Correct Answer: Mitochondria

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The planet is currently facing its _____ mass extinction event.

6th

7th

8th

9th

Answer

Correct Answer: 6th

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With ____ selection(s), the allele frequency will shift in a consistent direction.

Directional

Undirectional

Both of these

None of these

Answer

Correct Answer: Directional

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Varieties of staphylococcus aureus that are resistant to the drug methicillin _____.

Developed in response to the use of methicillin

Already existed in the population before methicillin was developed

Were strongly selected for as methicillin became widely used to treat bacterial infections

All answers are correct

Answer

Correct Answer: All answers are correct

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The theory of modern synthesis states that evolution involves changes in a population's _____.

Behavior

Environment

Gene pool

Answer

Correct Answer: Gene pool

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Unequal reproductive success ______.

Can lead to natural selection

Increases

Both of these

None of these

Answer

Correct Answer: Can lead to natural selection

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The theory of evolution through natural selection is considered a scientific theory because _____.

It is broad enough in scope to explain many observations

It is supported by a massive body of evidence from many disciplines

It is general enough to provide many testable hypotheses

All of these

Answer

Correct Answer: All of these

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If free phospholipids were swirled into water, they would ____.

Form pairs

Form spheres with the phosphate-containing heads facing each other

Dissolve

Form a lipid bilayer sheet, with the hydrophobic tails facing each other

Form a lipid bilayer sheet, with the phosphate-containing facing each other

Answer

Correct Answer: Form a lipid bilayer sheet, with the hydrophobic tails facing each other

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Evidence of the endosymbiotic theory was found in the _____

Chloroplasts

Mitochondria

Both

Nucleus

Answer

Correct Answer: Both

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A population of organisms will not evolve if _____.

The environment is changing at a relatively slow rate

The population size is large

The population lives in a habitat without competing species present

All individual variation is due only to environmental factors

Answer

Correct Answer: All individual variation is due only to environmental factors

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A population must have ______ for natural selection to occur.

Abundant resources

A stable environment

Many individuals

Inheritable variation

Answer

Correct Answer: Inheritable variation

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Evolutionary Biology MCQ

Comparative biochemistry is the study of similarities and differences in _______ among organisms.

Lock (1998) argues that menopause __________.

Fossilized stromatolites __________.

According to the theory of _____, todays organisms evolved from past organisms.

All the following are true of using solar photocells, except ________.

Examine the evolutionary tree below. this tree tells us that the amnion is found in ______.

A requirement of cladistics is that a grouping must include ________.

The greatest number of endemic species is expected in environments that are _____.

The Galápagos Islands are cooled by the _____.

The branch of biology that explains both the diversity and the unity of life is ______.

In one sense, microevolution is _______________ and macroevolution is _______________.

Natural selection acts on ________, and ________ evolve.

According to the endosymbiosis theory _______ were engulfed by larger eukaryotic cells.

The planet is currently facing its _____ mass extinction event.

With ____ selection(s), the allele frequency will shift in a consistent direction.

Varieties of staphylococcus aureus that are resistant to the drug methicillin _____.

The theory of modern synthesis states that evolution involves changes in a population's _____.

Unequal reproductive success ______.

The theory of evolution through natural selection is considered a scientific theory because _____.

If free phospholipids were swirled into water, they would ____.

Evidence of the endosymbiotic theory was found in the _____

A population of organisms will not evolve if _____.

A population must have ______ for natural selection to occur.

In one sense, microevolution is _ and macroevolution is _.

Natural selection acts on , and evolve.