Type
Crossword
Description

Any heritable characteristic that increases an organism's ability to survive and reproduce in its environment Adaptation
Addition to collecting specimens of living species Fossils
The process of change over time Evolution
Describes how well an organism can survive and reproduce in its environment Fitness
Many traits are controlled by two or more genes Polygenic traits
Nature provides the variations, and humans select those they find useful Artificial Selection
Consists of all the genes Gene Pool
Occurs in any situation in which more individuals are born than can survive Natural Selection
Is a change in allele frequency following a dramatic reduction in the size of a population Bottleneck Effect
A trait controlled by only one gene Singlegene trait
When individuals at one end of the curve have higher fitness than individuals in the middle or at the other end Directional Selection
When individuals near the center of the curve have higher fitness than individuals at either end Stabilizing Selection
When individuals at the outer ends of the curve have higher fitness than individuals near the middle of the curve Disruptive Selection
random change in allele frequency Genetic Drift
Allele frequencies change as a result of the migration of a small subgroup of a population Founder Effect
Allele frequencies in its gene pool do not change Genetic Equilibrium
states that allele frequencies in a population should remain constant HardyWeinberg Principle
Individuals select mates based on heritable traits Sexual Selection
group of population whose members can interbreed and produce fertile offspring Species
formation of new species Speciation
When populations become re productively isolated Reproductive Isolation
capable of interbreeding develop differences in courtship rituals Behavioral Isolation
When two populations are separated by geographic barriers Geographic Isolation
When two or more species reproduce at different times Temporal Isolation
uses mutation rates in DNA to estimate the time that two species have been evolving independently Molecular Clock

evolution Crossword

Type
Crossword
Description

is a trait with a current functional role in the life of an organism that is maintained and evolved by means of natural selection. adaptation
is the relative frequency of an allele (variant of a gene) at a particular locus in a population, expressed as a fraction or percentage allele frequency
evolutionary mechanism that helps members of the same species identify each other as proper mates. behavioral isolation
different kinds of living organisms are thought to have developed and diversified from earlier forms during the history of the earth evolution
the ability to survive to reproductive age, find a mate, and produce offspring. fitness
the set of all genes, or genetic information, in any population, usually of a particular species gene pool
The separation of two populations of the same species or breeding group by a physical barrier, such as a mountain or body of water. geographic isolation
characteristic of an individual that allows it to survive to produce more offspring natural selection
A group of organisms of one species that interbreed and live in the same place at the same time population
splitting of a single evolutionary lineage into two or more genetically independent lineages speciation
any difference between cells variation
genetic isolation achieved due to temporal differences in breeding. temporal isolation

Chapter 11-The Evolution of Populations Crossword

Type
Crossword
Description

collection of alleles found in all of the individuals of a population. gene pool
proportion of one allele, compared with all the alleles for that trait, in the gene pool. allele frequency
distribution in a population in which allele frequency is highest near the mean range value and decreases progressively toward each extreme end. normal distribution
observable change in the allele frequencies of a population over a few generations. microevolution
pathway of natural selection in which one uncommon phenotype is selected over a more common phenotype. directional selection
pathway of natural selection in which intermediate phenotypes are selected over phenotypes at both extremes. stabilizing selection
physical movement of alleles from one population to another. gene flow
change in allele frequencies due to chance alone, occurring most commonly in small populations. genetic drift
genetic drift that results from an event that drastically reduces the size of a population. bottleneck effect
genetic drift that occurs after a small number of individuals colonize a new area. founder effect
selection in which certain traits enhance mating success; traits are, therefore, passed on to offspring. sexual selection
condition in which a population's allele frequencies for a given trait do not change from generation to generation. Hardy-Weinberg
isolation between populations due to differences in courtship or mating behavior. behavioral isolation
isolation between populations due to physical barriers. geographic isolation
isolation between populations due to barriers related to time, such as differences in mating periods or differences in the time of day that individuals are most active. temporal isolation
evolution towards similar characteristics in unrelated species, resulting from adaptations to similar environmental conditions. convergent evolution
evolution of one or more closely related species into different species; resulting from adaptations to different environmental conditions. divergent evolution
process in which two or more species evolve in response to changes in each other. coevolution
elimination of a species from Earth. extinction

Speciation Crossword

Type
Crossword
Description

Current functional role of an organism that is evolved by means of natural selection. Adaptation
Relative frequency at a particular locus in population, expressed as a fraction or percentage. Allele Frequency
Two members of the same species that identify each other as proper mates. Behavioral Isolation
The study of the distribution of species and ecosystems in geographic space. Biogeography
Change over time. Evolution
The ability to survive to reproduce. Fitness
Set of all genetic info in any population. Gene Pool
A population of animals, plants or other organisms that are separated from exchanging genetic material. Geographic Isolation
Differential survival and reproduction of individuals due to differences in phenotype. Natural Selection
All organisms of the same group or species that live in a species geographical area. Population
An isolation that prevents the members of two different species that cross or mate from producing offspring. Reproductive
Evolutionary process in which reproductivly isolated populations evolve to become distinct spcies Speciation
Largest group of organisms in which two individuals are capable of reproducing fertile offspring. Species
An isolation that prevents species from mating because they breed at different times. Temporal
A change in condition, amount, or level. Variation

Evolution Crossword

Type
Crossword
Description

The sequence of events involved in the evolutionary development of a species of a group of organisms Evolution
A process in which individuals that have certain traits tend to survive and reproduce at higher rates than other individuals because of those traits. Natural selection
Organisms with specific traits in order to produce offspring’s with identical traits. Artificial selection
A trait that helps an organism survive and reproduce Adaption
Ability of an organism to survive and reproduce in its environment fitness
a sudden departure from the parent type in one or more heritable characteristics, caused by a change in a gene or a chromosome. an individual, species, or the like, resulting from such a departure mutation
Form of relocation diffusion involving permanent move to a new location. migration
A change in the allele frequency of a population as a result of chance events rather than natural selection genetic drift
-Ability of an animal to look like another more harmful animal. Mimicry
A structural adaption that enables an organism to blend in with its environment Camouflage
Structures in different species that are similar because of common ancestry Homologous structures
Structures that do not have a common evolutionary origin but are similar in function Analogous structures
Remnant of a structure that may have had an important function in a species ancestors, but has no clear function in the modern species Vestigial Structures
This person was born in 1809 and died in 1832. He wrote “ On The origin of Species by Means of Natural Selection” Charles Darwin

Genetics Crossword Puzzle

Type
Crossword
Description

Factors that control a trait Allele
A person's genetic makeup Genotype
A person's physical appearance Phenotype
A change in a gene or chromosome Mutation
A chart that tracks which members of a family have a particular trait Pedigree
A picture of all the chromosomes in a cell Karyotype
An organism that has the same genes as the organism it was produced from Clone
Breeding two individuals with similar traits Inbreeding
Same alleles for a single trait Homozygous
Different alleles fo a single trait Hetrozygous
The science behind heredity Genectics
The chance of something occuring Probability
When two alleles are equal and present in both the phenotype and genotype of an organism Codominance
A chart that shows all the possible combinations of two genotypes Punnet Square
The process that produces 4 sex cells Meiosis
Breeding two individuals with different traits Hybridization
Moving healthy genes into cells to replace missing or abnormal genes in order to correct a genetic disorder Gene therapy
A genetic problem caused by an issue in an organism's genes Genetic disorder
A trait controlled by three or more alleles is said to have ________________ Multiple alleles
Choosing two organisms with desired traits to be bred Selective breeding

General Biology Crossword

Type
Crossword
Description

The evolutionary history of an organism Phylogeny
a variant form of a gene located at a locus on the chromosome allele
all copies of alleles at all loci in the population gene pool
chance events cause unpredictable fluctuations in allele frequencies from one generation to the next genetic drift
study of the past and present geographic distributions of species biogeography
a fertilized egg zygote
transfer of alleles from one population to another, resulting from the movement of fertile individuals gene flow
similarity in characteristics resulting from a shared ancestry homology
similarity between two species that is due to convergent evolution analogy
the type of evolution of similar features in independent evolutionary lineages convergent
natural selection that favors altruistic behavior by enhancing the reproductive success of relatives kin selection
union of haploid gametes to produce a diploid zygote fertilization
influx of new individuals into a population from other areas immigration
movement of individuals out of a population emigration
a regular, long-distance change in location migration
preserved remnant or impression of an organism that lived in the past fossil
genetic drift that occurs when a few individuals become isolated from a larger population and form a new population whose gene pool is not reflective of the original population founder effect
process in which individuals that have certain inherited traits tend to survive and reproduce at higher rates natural selection

Chapter 15 and 16 Review Crossword

Type
Crossword
Description

The process by which modern organisms have descended from ancient organisms evolution
Any inherited characteristic that increases an organism's chance of survival adaptation
Structures that have different mature forms but develop from the same embryonic tissue homologous
Consists of all genes that are present in a population genepool
Change in DNA sequence that is one of the two major sources of genetic variation mutation
When the members of two populations cannot interbreed and produce fertile offspring reproductiveisolation
Occurs during production of gametes and is another source of genetic variation geneshuffling
Formation of a new species speciation
A trait which often has two or more alleles polygenic
Lamarck though that this type of characteristic could be inherited acquired
Type of isolation in which two or more species reproduce at different times temporal
The type of selection in which humans choose most desirable traits for breeding artificial
Isolation in which animals have differences in rituals behavioral
Economist which noted human population will grow faster than space needed to sustain it malthus
Darwin called this the ability of an individual to survive and reproduce in its specific environment fitness
A well-supported testable explanation of natural phenomena theory
Scientist who believed that organisms acquired or lost certain traits during their lifetime lamarck

Evolution Crossword Puzzle

Type
Crossword
Description

The sequence of events involved in the evolutionary development of a species or taxonomic group of organisms Evolution
A process in which individuals that have certain inherited traits tend to survive and reproduce at higher rates than other individuals because of those traits. Natural Selection
Breeding organisms with specific traits in order to produce offspring with identical traits. artificial selection
A trait that helps an organism survive and reproduce adaptation
Ability of an organism to survive and reproduce in its environment fitness
Process by which unrelated organisms independently evolve similarities when adapting to similar environments convergent evolution
A change in the allele frequency of a population as a result of chance events rather than natural selection. genetic drift
Ability of an animal to look like another more harmful animal mimicry
A structural adaptation that enables an organism to blend in with its environment camouflage
Structures that do not have a common evolutionary origin but are similar in function analogous structures

Evolution crossword puzzle

Type
Crossword
Description

a change or the process of change by which an organism or species becomes better suited to its environment. adaptation
measure of the relative frequency of an allele on a genetic locus in a population allele frequency
members of the same species identify each other as proper mates behavioral isolation
the branch of biology that deals with the geographical distribution of plants and animals. biogeography
living organisms developed and diversified from earlier forms during the history of the earth evolution
an organism's ability to survive and reproduce in a particular environment. fitness
the stock of different genes in an interbreeding population. gene pool
animals, plants, or other organisms that are separated from exchanging genetic material with other organisms of the same species geographic isolation
organisms better adapted to their environment tend to survive and produce more offspring natural selection
a group of species in the same area population
something that stops species from reproducing reproductive iso
the formation of new and distinct species in the course of evolution speciation
is an evolutionary mechanism that keeps individuals of different species from interbreeding tempora isolation
the occurrence of an organism in more than one distinct color or form variation
a group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding species

THE THEORY OF EVOLUTION AND NATURAL SELECTION Crossword

Type
Crossword
Description

change in the heritable traits of biological populations over successive generations Evolution
any characteristic of an individual that allows it to survive to produce more offspring Natural Selection
a trait with acurrent functional role in the life of an orangism that is maintained and evolved by natural selection Adaptation
the genetic contribution of an individual to the next generation's gene pool relative to the average for the population Fitness
any preserved evidence of life from a past geological age, such as the impressions and remains of organisms Fossil
structures derived from a common ancestor or same evolutionary or developmental origin Homologous Structure
similar form or function, but that were not present in the last common ancestor of those groups Analogous Structure
a structure in an organism that has lost all or most of its original function in the course of evolution Vestigal Structure
the process whereby organisms not closely related, independently evolve similar traits Convergent Evolution
the accumulation of differences between groups which can lead to the formation of new species Divergent Evolution
the diversification of a group of organisms into forms filling different ecological niches Adaptive Radiation
the intentional breeding of plants and animals Artifical Selection
the influence of closely associated species on each other in their evolution Coevolution