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Evolution

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by

Pawan Pannu

on 22 January 2014

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Transcript of Evolution

Evolution
Types of changes
Speciation
Darwin
Cladogram
Evidence
Mechanisms
Misconceptions
Microevolution
Anatomy
DNA
Physiological Adaptions
Behavioural changes
Structural Adaptions
Biogeography
Fossils Records
Embryology
Metabolic Process
Organism's Lifetime
Mimicry
Camouflage
Millions of Years
2 Types of Evidence
Geographically close environments
Populated by Related Species
Animals Found on Islands
On closest continent
Evolved and Adapted
New Environment
Types of Evidence
Fossils are in chronological order
Are found in Older Rocks
Beneath the Rock
Fossils in young layers of rock
Species Alive Today
Related Species
Adult Features
Embryonic Features
Evolutionary Relationships
Animals
Similar Patterns
Inherited
Common Ancestor
Closely Related
Organisms are
Geographically Separated
Homologous Structure
Analogous Structure
Voyage
Theory of Natural Selection
South Seas
Plant and Animals
H.M.S Beagle
Observed
Geographical distribution
Fossils
Wildlife
Collected
Observations
Observation 1
Observation 2
Observation 3
Result
Development
Adaption
Evolutionary Adaption
Evolutionary Change
Are Different
Behavioural Change
Education
Non-Inheritable
Physical Change
Aging
Growth
Stability and Mobility
Sex Hormones
Male - androgens
Female - Estrogens
Mutation
New Trait
Favourable
Harmful
Neutral
Environment
Macroevolution
Large-Scale
of Time
New Species
New Taxa
Period of time
Natural Selection
Artificial Selection
Gene Frequencies
Centuries
Years
Phenotype Traits
DNA Base-Pairing
Random
Achieve Certain Phenotype
New Species
Mutation is Low
Faster Process
Trait Combination
Sterile Offspring
Directive
Biotechnology
Cross-Breeding
Consequences
Health Issues
a Monoculture
Inbreeding
Susceptible
Environment
Disease
Gene Pool
Mutation
Genetic Drift
Gene Flow
Pathways of evolution
Non-Random Mating
Genes
Population
Migration
Divergent Evolution
Coevolution
New Empty Environment
Adaptive Radiation
Covergent Evolution
Sexual Dimorphism
Sexual Characteristics
Behaviour
Sexual Selection
chance events
Allele Frequencies
2 Types
Bottleneck Effect
Severe Event
Natural Disaster
Regard to Adaption
Alleles Remain
Small Effect
Large Effect
Founder Effect
On Islands
in Human Population
Some Alleles
Original Gene Pool
New Location
DNA Structure
Source of Variation
Change in Traits
Taxonomy
Derived Trait
Synapomorphy
Shared Trait
Symplesiomorphy
Lineages
Ancestors
That Lineage
Common Ancestor
Phylogeny
Genetics
Classify Organisms
Educational
Lineage Splits
Speciation Occurs
Ancestry
Test Hypothesis
Fossil Record
Morphyology
Common Ancestor
Evolutionary History
Family Tree
Reproductive Isolation
Modes
Speed
New Species
Genetic Differences
2 Types
Post-Zygotic Mechanisms
Pre-Zygotic Mechanisms
Reproductive Offspring
Hybrid Infertility
Hybrid Inviability
Zygotic Morality
Fertilization
Mating
Ecology
Geography
Behaviour
Time
Mechanical Isolation
Gametic Isolation
Behavioural Isolation
Ecological Isolation
Temporal Isolation
Punctuated Equilibrium
Gradualism
Fast
Long Period of Time
Two Populations
Overtime
Allopatric Speciation
Sympatric Speciation
Species
Interbreeding
Mutation
Creates New Species
Geographical Area
6 evolutionary Misconceptions
Misconception #1
Misconception #2
Misconception #3
Misconception #4
Misconception #5
Misconception #6
is Evolution is
Just a Theory
Is Evolutionary
Theory is Incomplete
and is
Currently Unable
to give a total
Explanation of Life
is Evolution is
Like climbing
Ladder of Progress
up a
Means
is Evolution
that Life Changed
By Chance
is Natural
Selection
Involves Organisms
Trying
to
Adapt
Selection
is Natural
Gives
Organisms
what they
Need
have
each has
that are unique to
that are unique to
Geographical Isolation
Body Proportions
Body Size
Proportions
Individuals
Is
within a population
Vary
Trait
in their
More Offspring
Is
are produced than
Can Survive
is
Individuals with Advantageous
Trait will
Survive and Reproduce
was
The more advantageous
Trait, allows for
More Offspring
to survive will
Become more Common
Three Modes
Directional Selection
Stabilizing Selection
Diversifying Selection
One Extreme
Intermediate
Extremes
Opposite Extremes
is like a
Involves
trace patterns of shared
between
Focus on
focus on
Known as
Known as
When a
involves
which is based on
which is based on
which is based on
is used to
is used to
are
all species are
Descended
from a
rely on
there are
which include
which include
which include
which include
which include
which include
involves formation of a
has
including
including
which has a barrier that prevents
from
resulting in
which is caused by
involves
in same
of
and
support
in
is aided by
like
like
as of
result from
result form
includes
includes
includes
includes
when inheritable traits
mostly
like
as memory is
when a
produces
is favoured by
which can be
which can be
which can be
which occurs due to
which is change in
including
which often leads to
which is based on
and
which includes
including
Including
including
including
which involves
also known as
which is a change to the
occurs due to
which is a collection of
in a
including
including
involves
is original
that leads to
is change in
to survey
on
to collect
in which he
the
of
of
that he
that he
went on
made his
which is based on
and
and
and
who's
provides two
including that
are more similar to
including that
so ancestors for a species
which lie
including
provides
including that
including that
are more likely to be
then locations
often closely resemble animals
meaning that the animals have
to
that has
meaning that it was
from a
helps determine how
two
involves
includes
includes
used to determine
between
provided that
share both
and
including
including
including
including
including
including
includes formation of
includes formation of
occurs over long
is
is change in
and
selects specific
can involve
is
has
produces
involves
is a
as it can create
as
can lead to
Selectively bred
as
organisms can be
to change in
to change in
occurs over a short period
change to
is
which has
including
including
including
favours variants of
favours variants of
acts upon
favours the
is a slow process to
as rate of
can create
and
involves
involves
involves
involves
there are
Includes
prevents
prevents
is isolation by
can be known as
can be known as
which is over a
which is relatively
is caused by
between
prevents development of
due to
due to
due to
due to
due to
due to
due to
due to
including
including
involves
includes
includes
includes
which occurs during an
which is change in
there are
including
including
has no
is
like
only small sample of
for large population
for small population
which includes finding a
occurs frequently
also
the founder will carry
from the
including
resulting in
Involves
Involves
involves
Full transcript