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Just Genes Natural Selection and Evolution 3 Flashcards | StudBud
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Just Genes Natural Selection and Evolution 3
Just Genes Natural Selection and Evolution 3
22 terms
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A #evolution #review
Flashcards
22 cards
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Answers
1
Who believed organisms evolved out of a pursuit of perfection?
Franklin
Lamarck
Malthus
Darwin
2
Who believed the world was overcrowded?
Darwin
Franklin
Malthus
Lamarck
3
What is an analogous structure?
a vestigial structure
a similar feature that indicates a common ancestor
a similar feature that does NOT indicate a common ancestor
4
What do we mean by fitness?
struggle to survive
measure of reproductive success
naturally heritable variation
5
What are fossils?
something that has decayed
a rock layer
something that has been mineralized
old people
6
What are strata?
mineralized organisms
layers of sediments
volcanic eruptions
layers of a cake
7
What idea did Darwin take from Malthus?
struggle for survival
variable fitness
pursuit of perfection
8
What is an adaptation?
a trait that increases an organism's ability to survive
the struggle to survive
a measure of reproductive success
9
A farmer selecting the largest fruit trees to pollinate is an example of...
natural selection
biogeography
homology
artificial selection
10
What is this?
anatomic homology
vestigial structure
embryonic homology
molecular homology
11
I find a fossil buried deep in the earth. The depth allows me to conclude...
the relative age
the type of organism
the strata depth doesn't tell us anything
all the descendants
12
What do we mean by "descent with modification?"
living species descend with modifications from ancestors
ancestors modified their bodies by use or disuse
over our lifetime, we modify our appearances
13
What is NOT a component of natural selection?
variable fitness
naturally heritable variation
struggle for survival
bones fossilize in mineralized sediments
14
What do we call the evolutionary history of a species?
embryos
analogies
phylogenies
homologies
15
What are transitional forms?
similar body structures between species
similar embryonic stages between species
species that show features both ancient and modern features
similar molecules between species
16
What is this?
vestigial structure
anatomic homology
embryonic homology
molecular homology
17
Why were the geologists important?
they proposed evolution by natural selection
they suggested the world was really old
they were Darwin's friends
they believed in the biblical creation stories
18
What does Natural Selection work on?
genotype
phenotype
19
We often use ____ homologies to create phylogenetic trees.
molecular
anatomic
embryonic
vestigial
20
Rheas, Emus, and Ostriches aren't related, but they look very similar. This is an example of...
biogeography
vestigial structures
homology
artificial selection
21
What are "acquired characteristics?"
traits that evolve over generations
traits that are inherited from your parents
traits acquired over a lifetime
22
Rheas in South America show variation in different climates. This is an example of...
vestigial structures
biogeography
artificial selection
homology
