Type
Crossword
Description

change in an organisms dna code mutation
pieces of dna that code for a specific trait genes
when organisms are separated due to geography isolation
how organisms adapt and change to survive natural selection
amount of different types of genes in a population genetic variation
how populations change due to migration gene flow
when a catastrophe changes a population genetic drift
choosing a partner based on genetics or a specific trait nonrandom mating
Deoxyribonucleic acid DNA
ribonucleic acid RNA
a physical or behavioral characteristic of an organism trait
group of reproductively unique organisms species
change in a species over time evolution
species that have similar sturctures (bone, placement, function); homologous ___ structures
an unborn/unattached offspring embryo
similarities between embryos as they grow & develop embryological
studying DNA codes to see similarity between organisms molecular
what organisms do in order to survive in their habitats adapt

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

Evidence for Evolution Crossword

Type
Crossword
Description

the process by which living organisms are thought to have changed, developed, and diversed throughout earths history Theory of Evolution
any genetic change in a population that is inherited over several generations Biological Evolution
the process where organisms adapt to their environment tend to survive and produce more offspring Natural Selection
a characteristic of a species that enables the species to blend into their environment Adaption
an adaption that enables species to blend into their environment Camouflage
when one species resembles another species in how it looks or behaves Mimicry
disappearance of a species from the earth Extinction
the study of similarities and differences among structures of living species. Comparative anatomy
body parts of organisms that are similar in structure but have different functions Homologous Structures
body parts with similar functions but have different underlying structures Analgous structures
body parts that have lost their original function through evolution Restigial structures
study of development from fertilization to birth Embryology
describes the difference between individuals in a population Genetic variation
how many varieties there are in a population Population diversity

Biotechnology Crossword

Type
Crossword
Description

method of breeding that allows only those individual organisms with desired characteristics to produce the next generation select breeding
breeding technique that involves crossing dissimilar individuals to bring together the best traits of both organisms hybridization
continued breeding of the individuals with similar characteristics of a line of organisms inbreeding
process of making changes in DNA code of living organisms genetic engineering
enzyme that cuts DNA at a specific sequence of nucleotides restriction enzyme
procedure used to spread and analyze DNA fragments by placing a mixture of DNA fragments at one end of a porbus gel and applying an electrical voltage from different sources gel electrophoresis
DNA produced by combining DNA from different sources recombinant DNA
small circular piece of DNA plasmid
gene that makes it possible to distinguish bacteria that carry a plasmid with forge in DNA from those that don't genetic maker
term used to refer an organism that contains genes from other organisms transgenic
member of a population of genetically identical cells clone
stands for deoxyribonucleic acid DNA
stands for ribonucleic acid RNA
genetic alternation of a cell cell transformation
technique that allows molecular biologists to make many copies of a particular gene PCR

EVIDENCE OF EVOLUTION Crossword

Type
Crossword
Description

the remains or impression of a prehistoric organism preserved in petrified form or as a mold or cast in rock. Fossils
make (something) suitable for a new use or purpose; modify. Adapt
a group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding. Species
the process of developing or being developed. Development
the study of the physical features of the earth and its atmosphere, and of human activity as it affects and is affected by these, including the distribution of populations and resources, land use, and industries. Geography
having the same or a similar relation; corresponding, as in relative position or structure. HomologousStructure
in genealogy, any person to whom two or more persons claim descent; also, the most recent ancestral form or species from which two different species evolved. CommonAncestor
structures are similar or resembling in certain respects, in function or in appearance but not in evolutionary origin or developmental origin. AnalogousStructure
relying on or derived from observation or experiment. Empirical
an individual animal, plant, or single-celled life form. Organism
deoxyribonucleic acid, a self-replicating material present in nearly all living organisms as the main constituent of chromosomes. It is the carrier of genetic information. DNA
a distinctive attribute or aspect of something. Features
any of the pieces of hard, whitish tissue making up the skeleton in humans and other vertebrates. Bones
a period of ten years. Decades
the arrangement of and relations between the parts or elements of something complex. Structure
an anatomical feature that no longer seems to have a purpose in the current form of an organism of the given species. VestigialStructure
the branch of biology and medicine concerned with the study of embryos and their development. Embryology
The investigation and comparison of the structures of different organisms. ComparativeAnatomy
an English naturalist and geologist, best known for his contributions to the science of evolution. CharlesDarwin
the process by which different kinds of living organisms are thought to have developed and diversified from earlier forms during the history of the earth. Evolution

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

Evolution, Chapter 10 Crossword

Type
Crossword
Description

the process of biological change by which descendants look different than their ancestors EVOLUTION
a group of organisms that can reproduce and have fertile offspring SPECIES
a naturalist who studied species on the Galapagos Island and thought all living things descended from a common ancestor DARWIN
A naturalist who thought that changes in physical characteristics were driven by changes in the environmnent over time LAMARCK
traces of organisms that existed in the past FOSSILS
a theory that states geologic processes that shape the Earth are uniform over time UNIFORMITARIANISM
the theory that natural disasters like floods have happened often during Earth's history CATASTROPHISM
the principle that changes in landforms happen slowly over a long period of time GRADUALISM
the differences in traits among individuals within a group VARIATION
a feature that allows an organism to better survive in its environment ADAPTATION
all the individuals of a species that live in a certain area POPULATION
a measure of the ability to survive and produce more offspring FITNESS
___________ selection is when nature is the selective agent of which organisms will survive and reproduce NATURAL
the ability for a trait to be passed from one generation to the next HERITABILITY
the principle taht having many offspring increases teh chance that some will survive OVERPRODUCTION
the study of the distribution of organisms around the world BIOGEOGRAPHY
_____________structures are features taht are similar in structure but appear in different organsims and have different functions HOMOLOGOUS
__________structures perform similar function but are NOT similar in origin ANALOGOUS
_________structures are remnants that hada function in an earlier ancestor but are underdeveloped or unused in a later organism VESTIGIAL
________ evidence relies on similarities in DNA sequences MOLECULAR
_________ evidence relies on similar features in embryos EMBRYOLOGICAL
the study of fossils or extinct organisms PALEONTOLOGY

Natural Selection and Adaptation Crossword

Type
Crossword
Description

Any structure, such as a leg or an antenna, that grows out of an animals body APPENDAGE
An inherited behavior that helps an organism survive BEHAVIORALADAPTATION
A key for the identification of organisms based on a series of choices between alternative characters DICHOTOMOUSKEY
Those species that have been brought under human control and that have adapted to life with humans DOMESTICANIMALS
A change in a species over time EVOLUTION
When a species no longer has any living individuals EXTINCTION
A segment of DNA on a chromosome that codes for a specific trait GENES
Response to Earth's gravity, as the growing of roots downward in the ground GEOTROPISM
A tendency to maintain a balanced or constant internal state; the regulation of any aspect of body chemistry, such as blood glucose, around a particular level HOMEOSTASIS
A plant's growth response to water; plant grows towards the water HYDROTROPISM
A change from within an organism, such as hunger and thirst, that causes the organism to respond INTERNALSTIMULUS
A change in a gene or chromosome MUTATION
Changes in genetic traits over many generations based on an organism's ability to survive and reproduce NATURALSELECTION
Anything outside the body that can cause a response in an organism EXTERNALSTIMULUS

Natural Selection Vocabulary Crossword

Type
Crossword
Description

any living thing organism
group of organisms that share similar characteristics and reproduce among themselves producing fertile offspring species
change in inherited characteristics over time evolution
a process in which organisms with traits best suited to their environment are more likely to survive and reproduce includes concepts of variation, overproduction and competition Natural selection
inherited trait that makes an individual different from other members of the same speces and result from a mutation in the organism genes variation
any change that helps an organism survive in its environment adaptation
the study of embryos and their development embrology
fertilized egg that has attached to the wall of the uterus embro
body part that are similar in structure and origin and be can similar in function homologus
structure such as the human appendix that doesn't seem to have a function and may once have functioned in the body of an ansector vestigial structure
section of DNA on a chromosome that contains instructions for making specific proteins gene
biological and chemical methods to change the arrangements of a gene DNA to improve crop production produce large volumes of medicine and change how cells perform their normal functions genetic enginering

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

The Theory of Evolution and Natural Selection Crossword

Type
Crossword
Description

any preserved evidence of life from a past geological age, such as the impressions and remains of organisms fossil
an inherited trait which helps an organism survive and reproduce that is maintained and evolved by natural selection adaptation
naturally occurring differences within a species variations
when humans select plants and animals for breeding based upon desired traits selective breeding
a form of an inherited characteristic trait
learned trait, not passed on to offspring acquired trait
naturalist who developed the Theory of Evolution Darwin
islands that Darwin traveled to Galapagos
Darwin studied the differences between the ______ of finches beaks
name of Darwin's ship HMSBeagle
A _______ is all of the individuals of a species living in a an area at the same time population
the process by which populations change over time evolution
a change in genetic material mutation
when an organism makes more offspring than the environment can handle overproduction
when all members of a species have died extinction
evidence that organisms have changed over time can be found in _______, ice or sedimentary rock amber
most recent species from which two different species have evolved common ancestor
the wing of a bat is similar in structure to the _____ of a human arm
genetic information is stored in an organism's _____ DNA
a scientist who studies fossils paleontologist