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51 Cards in this Set
- Front
- Back
Genetic diversity in a population comes from |
Mutation and sexual reproduction |
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Adaptation means |
Any alteration in the structure or function of an organism or any of its parts resulting from natural selection |
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When two species evolve in different directions from a common point it is |
Divergent evolution |
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When similar structures arise to Evolution independently in different species it is called |
Convergent evolution |
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The wing of a bat and arm of human are examples of |
Homologous structures |
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The sum of all alleles in a population |
Gene pool |
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Allele frequencies are changed by what factors |
Natural selection, mutation, genetic drift, and gene flow |
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What is the benefit of mutation |
Primary source for new unique genes |
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Evolution that occurs as a result of chance events is called |
Genetic drift |
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Migration of individuals or gamete to use results in |
Gene flow |
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Evolution that occurs as a result of dramatic reduction in population size is called |
Population bottleneck |
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The presence of a tailbone in humans and other primates is an example of |
Vestigial trait |
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Describe the distribution patterns of living things around the world |
Biogeography |
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Allopatric speciation |
Speciation by geographic isolation |
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Sympatric speciation |
New species evolve from a single ancestral species while inhabiting the same geographic region |
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Polyploidy causes reproductive isolation because |
Number of chromosomes in sex cells is changed |
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Old chapter 12 |
This is just the intermedial slide |
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The evolutionary history and the relationships among a species or a group of species |
Phylogeny |
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Helps in organizing and classifying organisms |
Systematics |
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Organisms are divided into three domains |
Bacteria, Archaea, and Eukarya |
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Dumb King penises carry off ******* giant spiders |
Domain kingdom phylum class order family genus species |
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Organisms are referred by its genus and species name this 2 name system is called |
Binomial nomenclature |
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A new lineage and implied evolutionary change can be shown with |
A branch point in a phylogenetic tree |
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When two lineages arise from the same Branch point they are called |
Sister taxa |
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The more similar the DNA sequences are |
The more closely two organisms are related |
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What is used to determine the relationships between different species like Archaea and bacteria |
Genes for ribosomal RNA |
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Also known as clade and have two organisms that share a similar ancestor |
Monophyletic group |
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1. Any group of organisms are related by descent from a common ancestor. 2. There is a bifurcation pattern of cladogenesis. 3. Change and characteristics occurs in lineages over time |
The three assumptions in cladistics |
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Events occur in the simplest most obvious way with the least number of steps this is known as |
Maximum parsimony |
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Intermedial slide... Chapter 13 |
Yeehaw |
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In what way is a member of domain Archaea similar to a member of domain bacteria |
Both are prokaryotic |
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What is the characteristic of an anaerobic organism |
Doesn't need oxygen |
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What are extremophiles and where do they live |
Extreme conditions |
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What is a biofilm |
Protective film |
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1 plasma membrane 2 cytoplasm 3 genetic material 4 ribosomes |
Four common structures among cells |
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Transformation, transduction, and conjugation all three types of |
DNA transfer |
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What is the main reason for resistant bacteria |
The overuse and incorrect use of antibiotics |
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Using a biological organism to treat a contaminated media |
Bioremediation |
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Relationship between two organisms where one benefits and the other one is not affected |
Commensalism |
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Mitochondria and chloroplasts have evolved due to endosymbiosis |
The endosymbiotic theory |
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Also known as a thallus and can be unicellular or multicellular |
The vegetative body of a fungus |
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Vegetative stage of fungi is made up of mass of thread-like structures called |
Hyphae |
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Fungi produce spores in both |
Sexual and asexual reproduction |
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Fungi are divided into four major divisions according to |
The mode of reproduction |
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Bryophytes such as liverworts hornworts and mosses are |
Nonvascular plants |
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Ferns gymnosperms and angiosperms are |
Vascular plants |
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The xylem tissue transports |
Water and nutrients |
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Phloem tissue transports the |
Sugars proteins and other solutes |
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Double fertilization is unique to |
Angiosperms |
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Coelom is an internal cavity derived from |
The mesoderm |
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Bilaterally symmetrical, triploblastic eucoelomates are divided in to what |
Protostomes and deuterostomes |