FREE BIOLOGY AND STUDY GAMES ABOUT EVOLUTION

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FREE BIOLOGY AND STUDY GAMES ABOUT EVOLUTION

VOCAB EXAM QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -73 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation

Question 1: gene pool

Answer:

combined genetic information of all the members of a particular population

Question 2: extinction

Answer:

a term that typically describes a species that no longer has any known living individuals

Question 3: reproductive isolation

Answer:

separation of a species or population so that they no longer interbreed and evolve into two separate species

Question 4: mutation

Answer:

change in a DNA sequence that affects genetic information

Question 5: archaea

Answer:

one of the three domains of life

Question 6: uniformationism

Answer:

this principle states that the same process that operate today operated in the past

Question 7: polyploidy

Answer:

condition in which an organism has extra sets of chromosomes

Question 8: isolating mechanism

Answer:

any factor that acts to reduce or block the flow of genes between two populations

Question 9: fitness

Answer:

ability of an organism to survive and reproduce in its environment

Question 10: biodiversity

Answer:

the variety of life in the world or in a particular habitat or ecosystem

Question 11: allele frequency

Answer:

the number of times that an allele occurs in a gene pool compared with the number of alleles in that pool for the same gene

Question 12: adaptation

Answer:

a characteristic that improves an individual's ability to survive and reproduce in a particular environment

Question 13: convergent evolution

Answer:

process by which unrelated organisms independently evolve similarities (analogous structures) when adapting to similar environments

Question 14: systematics

Answer:

study of the diversity of life and the evolutionary relationships between organisms

Question 15: postmating isolating mechanism

Answer:

any structure, physiological function, or developmental abnormality that prevents organisms of two different species, once mating has occurred, from producing vigorous, fertile offspring

Question 16: mass extinction

Answer:

event in which many types of living things become extinct at the same time

Question 17: plate tectonics

Answer:

a theory stating that the earth's surface is broken into plates that move

Question 18: allopatric speciation

Answer:

the formation of new species in populations that are geographically isolated from one another

Question 19: speciation

Answer:

the formation of new and distinct species in the course of evolution

Question 20: evolution

Answer:

the gradual change in a type of organism over time

Question 21: DNA sequencing

Answer:

determining the order of nucleotide bases in a gene or DNA fragment

Question 22: class

Answer:

the taxonomic category of classifying organisms which falls between phylum and order

Question 23: analogous structures

Answer:

structures that do not have a common evolutionary origin but are similar in function

Question 24: prokaryote

Answer:

a unicellular organism that lacks a nucleus and membrane bound organelles

Question 25: premating isolating mechanism

Answer:

any structure, physiological function, or behavior that prevents organisms of two different species from exchanging gametes

Question 26: eukaryote

Answer:

A cell that contains a nucleus and membrane bound organelles

Question 27: founder effect

Answer:

change in allele frequencies as a result of the migration of a small subgroup of a population

Question 28: bacteria

Answer:

prokaryotic organisms that lack a nucleus