Question 1

Which of the following best describes the concept of 'deep time' in evolutionary biology?

Accepted Answer

A perspective that considers the vast, almost incomprehensible scale of geological and evolutionary history.

Question 2

Which of the following is NOT a requirement for natural selection to occur?

Accepted Answer

All individuals in a population must have identical fitness.

Question 3

A population of insects is exposed to a new pesticide. Over several generations, some insects survive and reproduce because they possess a gene that breaks down the pesticide. This scenario best illustrates which evolutionary concept?

Accepted Answer

Natural selection

Question 4

Which of the following equations correctly represents the Hardy-Weinberg equilibrium for allele frequencies in a population?

Accepted Answer

$$p^2 + 2pq$$ + $$q^2 = 1$

Question 5

Which of Tinbergen's 'four whys' explains the evolutionary history of a trait?

Accepted Answer

Phylogeny (evolutionary history)

Question 6

A bottleneck event in a population can lead to which of the following genetic outcomes?

Accepted Answer

Reduced genetic diversity due to random loss of alleles.

Question 7

Which of the following is an example of an evolutionary arms race?

Accepted Answer

Predatory snakes evolving resistance to the toxins of their prey, and prey evolving more potent toxins.

Question 8

Which statement best describes the difference between adaptation and exaptation?

Accepted Answer

Adaptation refers to a trait that evolved for its current function, while exaptation refers to a trait that evolved for a different function and was co-opted.

Question 9

Which of the following is a direct product of evolutionary adaptation according to Williams' definition?

Accepted Answer

Adaptations

Question 10

A researcher is evaluating a hypothesized adaptation for its efficiency, economy, precision, and reliability. Which concept is the researcher applying?

Accepted Answer

Criteria for adaptation

Question 11

Which of the following best illustrates the concept of 'differential reproductive success'?

Accepted Answer

Some individuals leave more offspring than others due to advantageous traits.

Question 12

Which evolutionary process is most likely responsible for the random loss of alleles in a small population?

Accepted Answer

Genetic drift

Question 13

Which of the following is an example of a phylogenetic constraint?

Accepted Answer

A bird's wing structure limiting its ability to swim underwater.

Question 14

Which formula would you use to calculate the frequency of a dominant allele in a population if you know the genotype frequencies?

Accepted Answer

$$p = f(AA) + \frac{1}{2}f(Aa)$$

Question 15

Which of the following is a real-world example of mutualism?

Accepted Answer

Bees pollinating flowers while collecting nectar.

Question 16

Which scenario best demonstrates the concept of 'noise' in evolutionary biology?

Accepted Answer

A trait that is a by-product of another adaptation and has no functional significance.

Question 17

Which of the following is an example of a by-product in evolutionary terms?

Accepted Answer

The belly button in humans, resulting from the umbilical cord.

Question 18

Which of the following best describes the Modern Synthesis in evolutionary theory?

Accepted Answer

Darwin's theory combined with particulate gene inheritance.

Question 19

A population of lizards is split by a river, and over time, the two groups evolve different coloration due to different predators. Which evolutionary process is most likely at work?

Accepted Answer

Allopatric speciation

Question 20

Which of the following is a correct application of Tinbergen's 'function' explanation for a trait?

Accepted Answer

Explaining how a trait increases an organism's reproductive success.

Evolutionary Principles in Anatomy & Physiology: Study Notes

Study Guide - Practice Questions

Study Guide - Flashcards