Overproduction of offspring

Lots of offspring & limited sources causing competition for those resources

one way movement of organisms and causes decreased variation

The total of different genes in a population

Definition of variation:

Each individual has a unique combination of inherited traits

What is divergent evolution?

organisms evolving from a common ancestor

Species native to a particular area.

definition: biogeography

study of how orgs are placed around earth

have different ancestry but similar functions

What are the three modes of natural selection?

directional, disruptive, stabilizing

Descent with modification

Organisms' traits have changed from their ancestors' traits

Disruptive selection...

Favors more the two extreme traits in a population

extinction that occurs at a slow rate

What is the definition of embryology?

Study of animal biology focusing on embryo development

definition of Macroevolution

Large-scale changes that happened over an extended time period.

What are transitional fossils?

Fossils that are the missing link between species.

sources of variation?

mutations, migration and genetic recombination

Definition: Speciation

Evolutionary process through which new species arise from existing species

Slow and steady evolutionary change.

Analogous structures are...

same function, different structure

Define mass extinction.

The rapid decline in the number of species over a short period

Homologous structures are

structures that have different appearances and functions

Which of the following is true regarding mutations as a mechanism of microevolution?

Mutations are the main mechanism of microevolution

Vestigial structures show

structures that had a function in ancestors

Can individuals evolve?

No, only populations/species evolve

Paleontology is the study of fossils and ancient life forms.

Vestigial Structures.....

Are present but are not needed.

What is Descent With Modification?

Change in gene frequency over time

Overproduction leads to

leads to competition among individuals of a species

Definition of Fitness

How well an organism can survive and reproduce in its environment

4 main principles of natural selection?

variation overproduction adaptation + descent w/ mod

All of the following are true of gene flow, except-

It does not introduce new genes into a population

Definition of Biochemistry is....

The study of the chemical reactions in living things

What is the definition for "evolution"

A change in the genes of a species

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Evolution Vocabulary

68 termsStudBud Administration48 plays

Explore the concept of evolution and its definition through a series of thought-provoking questions

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Questions 68

Answers

1
Overproduction of offspring
A change in gene frequency overtime
A feature that allows an organism to better survive in environment
Lots of offspring & limited sources causing competition for those resources
Differences in the physical of organisms
2
What is gene drift?
two way movement of organisms and causes decreases variation
one way movement of organisms and causes decreased variation
one way movement of organisms and causes increased variation
two way movement of organisms and causes increased variation
3
Directional Selection
Favours the intermediate phenotype
Favours both extremes of the population
Favours one extreme population
All of the above
4
The exchange of genes during meiosis I between homologous chromosomes is called
Crossing over
Gene flow
Spindle fibers
Independent assortment
5
Natural selection acts only on inherited traits
False
True
6
Macroevolution is
small scale change in a single population
a small change in gene frequency in a population.
a group of organisms able to mate & produce fertile offspring
large scale evolution.
7
A gene pool is
All the alleles in the nucleus of a cell
The genome of an organism
The total of different genes in a population
A good place for genes to swim
8
A mechanism where population size greatly reduces due to a natual disaster.
Recombination
Gene flow
Mutation
Genetic drift
9
Definition of variation:
inherited trait that increases an organism's chances of survival
the close external resemblance of an animal or plant to another organism
Each individual has a unique combination of inherited traits
structural adaptation that enables species to blend with their surroundings
10
What is divergent evolution?
none of the above
organisms not sharing common ancestor;evolving dependently
organisms not sharing common ancestor;evolving independently
organisms evolving from a common ancestor
11
Changes in genes that occur within one organism are known as
Recombination
Mutation
Natural Selection
Gene flow
12
Endemic species are:
Species native to a particular area.
Species that are sick and dying off.
Rare plants and animals.
Invasive species.
13
definition: biogeography
study of how orgs are placed in rain forest
study of how orgs are placed in ocean
study of how orgs are placed around earth
when my least fav classes Bio and Geography become mixed
14
The image below is an example of what natural selection?
Directional
Disruptive
Gene Drift
Stabilizing
15
Analogous structures
share common ancestry but different fuctions
have different ancestry but similar functions
16
What are the three modes of natural selection?
directional, destruction, reduced hybrid fetility
gene flow, generational, equilibrium
diploidy, heterozygous, gradualism
directional, disruptive, stabilizing
17
Descent with modification
Organisms must compete for resources
parents can pass acquired traits to offspring
Organisms' traits have changed from their ancestors' traits
Most mutations cause loss of function
18
Disruptive selection...
Makes the population change toward heterozygous
Favor those individual who have average traits
Favors more the two extreme traits in a population
Is the most common mechanism of action for natural selection
19
gradual extinction
organisms graduated from their environment
extinction that occurs at a fast rate
everyone is hiding
extinction that occurs at a slow rate
20
What is the definition of embryology?
Study of cells
Study of plant growth
Study of animal biology focusing on embryo development
Study of adults animals
21
definition of Macroevolution
small-scale changes that happen over a long period of time
small-scale changes that have a big impact
Large-scale changes that happened over an extended time period.
large-scale changes that happen over an short period of time
22
What are transitional fossils?
Dinosaurs
Fossils that show diversity
Fossils that are the missing link between species.
Fossils in between species
23
The definition of EVOLUTION is
survival of the fittest
change over time
humans come from apes
all species are clones
24
Which mechanism of microevolution is shown?
sexual selection
genetic drift - founder effect
gene flow
natural selection
25
sources of variation?
mutations, migration and genetic recombination
mutations, migration, and gene flow
genetic recombination, meiosis, and mitosis
mitosis, meiosis, and mutation
26
Definition: Speciation
Physical or behavioral characteristic of an organism
Adjustment and changes in behavior and structure of an organism
Process through which new species do not arise from existing species
Evolutionary process through which new species arise from existing species
27
Define gradualism.
Brief change followed by rapid change.
Slow and steady evolutionary change.
none of the above
Brief periods of rapid evolutionary change.
28
Analogous structures are...
same function, different structure
homozygous structures
heterozygous structures
Same structure, different function
29
Define mass extinction.
The seasonal migration of species to avoid harsh environmental conditions
The intentional removal of invasive species from an ecosystem
The rapid decline in the number of species over a short period
The gradual decline in the number of species over a long period
30
Homologous structures are
structures of animals that have different appearances
structures of animals that have the same appearances
structures that have different appearances and functions
evolve from different ancestors
31
Which of the following is true regarding mutations as a mechanism of microevolution?
Mutations are not random.
Mutations are the main mechanism of microevolution
Mutations change the genes of the entire population
Mutations cannot be beneficial.
32
The five mechanisms of microevolution are natural selection, genetic drift, gene flow, mutation and
Mitosis
Binary fission
Recombination
Cloning
33
Vestigial structures show
structures that had a function in ancestors
structures that will have a function in future generations
structures that never had a function
structures that have necessary functions
34
Can individuals evolve?
Yes, through acquired characteristics
No, only cells/organelles evolve
Yes, Pokemon told me so.
No, only populations/species evolve
35
Evolution is a change in...
genetic triats
genetic traits
aquired triats
aquired traits
36
Define paleontology.
Paleontology is the study of ancient civilizations.
Paleontology is the study of fossils and ancient life forms.
Paleontology is the study of natural disasters.
Paleontology is the study of human origins.
37
The process of variation is increased during meiosis.
Gene flow
Mutation
Genetic drift
Recombination
38
Mechanism of microevolution that causes a DECREASE in variation
genetic recombination
gene flow
gene drift
mutations
39
Vestigial Structures.....
Are present but are not needed.
Are no longer found in animal bodies
Are still used in all living things.
Are similar in all living things.
40
What is Descent With Modification?
People descend down escalators with change in their pockets
Change in gene frequency over time
Only plants descend with modifications
All living things have a common ancestor
41
All of the following increases genetic variation within a population, except-
Genetic drift
Recombination
Gene flow
Mutation
42
What are pseudogenes?
Genes that help organism survive
Genes that help organism reproduce
Genes that are mutated
Genes that no longer function
43
Overproduction leads to
leads to competition among individuals of a species
those best suited to their environment are likely to die
an abundant amount of resources for maximum survival
little to no variation within a species
44
Definition of Fitness
A type of natural selection that acts on an organisms ability
How well an organism can survive and reproduce in its environment
Structures that are different in different species
None of the Above
45
The image below is an example of what natural selection?
Gene Drift
Disruptive
Directional
Stabilizing
46
the differences in physical traits of organisms
Punnett Square
mutations
differentiation
variation
47
4 main principles of natural selection?
variation overproduction adaptation + descent w/ mod
heredity overproduction adaptation + descent w/ mod
variation overproduction adaptation + evolution
variation underproduction adaptation + descent w/ mod
48
What is an allele?
The dominant gene.
The organ that allows movement in a cell.
DNA mutation
An alternative form of a gene.
49
All of the following are true of gene flow, except-
It increases genetic diversity in a population
It does not introduce new genes into a population
It is the movement of alleles between populations
Is 2 directional: alleles flow in and out between 2 populations
50
Definition of Biochemistry is....
The study of metabolism
The study of the chemical reactions in living things
The study of CHNOPS
The study of life and chemicals
51
What is the definition for "evolution"
A trait which helps an organism survive and reproduce
The selection of traits in species to survive and reproduce
<p>The collected genes of all memebers of a species</p>
A change in the genes of a species
52
The ultimate source of all genetic variation is...
Gene flow
Random fertilization
Organisms
Mutation
53
Define adaptation
Traits that enable an organism to survive
A type of organism that photosyntheses
Fighting for resources
Organisms that produce their own food
54
State the mechanisms of microevolution
Mutations, Nat. Selection, Gene Drift, Gene Flow and Genetic Recombination.
Mutations, Nat. Selection, Gene Drift, and Gene Flow
Nat. Selection, Gene Drift, Gene Flow and Genetic Recombination.
Mutations, Evolution, Gene Drift, Gene Flow and Genetic Recombination.
55
Which mechanism of microevolution is shown?
genetic drift - bottleneck
natural selection
gene flow
genetic drift - founder effect
56
What are homologous structures?
natural selection
change over time
why all animals have tails
parts of organisms' anatomy that share a common ancestry
57
What is natural selection?
Organisms become extinct
People change animal traits on a farm
Organisms with good adaptations survive and reproduce
Organisms with bad adaptations survive better
58
Which definition best describes the Hardy-Weinberg principle?
A principle that predicts if evolution will occur.
A principle predicts when allele frequencies will remain constant.
A principle that is used for artificial selection
A mathematical tool developed by Gregory Mendel
59
The image below is an example of what natural selection?
Disruptive
Directional
Gene Drift
Stabilizing
60
Natural selection:
Eliminates variation in the population
Increases variation in a population
Requires variation in the population
Produces variation in the population
61
The ultimate source of all genetic variation is...
Organisms
Mutation
Gene flow
Random fertilization
62
In stabilizing selection,
cladogenesis is likely to occur
the middle phenotype is favored
both extremes are favored
one extreme is favored
63
Coevolution is
Organisms living in similar conditions evolve similarities
2 or more related species become less similar
as one organism evolves, another evolves with it
a change over time
64
Which of the following fits punctuated equilibrium?
Changes occur slow and steady
Extinction of species
Tiny changes add up to big changes
Changes happen quickly over time
65
What is microevolution?
changes in several genes in a population over time
formation of new species over time
evolution in a small scale
evolution on a large scale across populations
66
Microevolution is defined as
large chromosomal mutations
a small amount of evolutionary change
a slow rate of evolution
change in a population's gene pool over time
67
Convergent evolution is...
the evolutionary relationship between animals and plants which is none
The monkey to man picture shows the process of human evolution
The process by which unrelated organisms evolve similar characteristics
68
What is the definition of a species?
a group of organisms that can interbreed to produce infertile offspring
a group of organisms that can breed to produce fertile offspring
a group of organisms that can breed to produce infertile offspring
a group of organisms that can interbreed to produce fertile offspring

Evolution Vocabulary Flashcards | StudBud