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51 Cards in this Set

  • Front
  • Back

Genetic diversity in a population comes from

Mutation and sexual reproduction

Adaptation means

Any alteration in the structure or function of an organism or any of its parts resulting from natural selection

When two species evolve in different directions from a common point it is

Divergent evolution

When similar structures arise to Evolution independently in different species it is called

Convergent evolution

The wing of a bat and arm of human are examples of

Homologous structures

The sum of all alleles in a population

Gene pool

Allele frequencies are changed by what factors

Natural selection, mutation, genetic drift, and gene flow

What is the benefit of mutation

Primary source for new unique genes

Evolution that occurs as a result of chance events is called

Genetic drift

Migration of individuals or gamete to use results in

Gene flow

Evolution that occurs as a result of dramatic reduction in population size is called

Population bottleneck

The presence of a tailbone in humans and other primates is an example of

Vestigial trait

Describe the distribution patterns of living things around the world

Biogeography

Allopatric speciation

Speciation by geographic isolation

Sympatric speciation

New species evolve from a single ancestral species while inhabiting the same geographic region

Polyploidy causes reproductive isolation because

Number of chromosomes in sex cells is changed

Old chapter 12

This is just the intermedial slide

The evolutionary history and the relationships among a species or a group of species

Phylogeny

Helps in organizing and classifying organisms

Systematics

Organisms are divided into three domains

Bacteria, Archaea, and Eukarya

Dumb King penises carry off ******* giant spiders

Domain kingdom phylum class order family genus species

Organisms are referred by its genus and species name this 2 name system is called

Binomial nomenclature

A new lineage and implied evolutionary change can be shown with

A branch point in a phylogenetic tree

When two lineages arise from the same Branch point they are called

Sister taxa

The more similar the DNA sequences are

The more closely two organisms are related

What is used to determine the relationships between different species like Archaea and bacteria

Genes for ribosomal RNA

Also known as clade and have two organisms that share a similar ancestor

Monophyletic group

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

Events occur in the simplest most obvious way with the least number of steps this is known as

Maximum parsimony

Intermedial slide... Chapter 13

Yeehaw

In what way is a member of domain Archaea similar to a member of domain bacteria

Both are prokaryotic

What is the characteristic of an anaerobic organism

Doesn't need oxygen

What are extremophiles and where do they live

Extreme conditions

What is a biofilm

Protective film

1 plasma membrane


2 cytoplasm


3 genetic material


4 ribosomes

Four common structures among cells

Transformation, transduction, and conjugation all three types of

DNA transfer

What is the main reason for resistant bacteria

The overuse and incorrect use of antibiotics

Using a biological organism to treat a contaminated media

Bioremediation

Relationship between two organisms where one benefits and the other one is not affected

Commensalism

Mitochondria and chloroplasts have evolved due to endosymbiosis

The endosymbiotic theory

Also known as a thallus and can be unicellular or multicellular

The vegetative body of a fungus

Vegetative stage of fungi is made up of mass of thread-like structures called

Hyphae

Fungi produce spores in both

Sexual and asexual reproduction

Fungi are divided into four major divisions according to

The mode of reproduction

Bryophytes such as liverworts hornworts and mosses are

Nonvascular plants

Ferns gymnosperms and angiosperms are

Vascular plants

The xylem tissue transports

Water and nutrients

Phloem tissue transports the

Sugars proteins and other solutes

Double fertilization is unique to

Angiosperms

Coelom is an internal cavity derived from

The mesoderm

Bilaterally symmetrical, triploblastic eucoelomates are divided in to what

Protostomes and deuterostomes