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Evolution
Evolution
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#biology
Flashcards
45 cards
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Questions
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Answers
1
What is a common ancestor?
An animal that has a lot of offspring
An animal that is good at escaping from predators
An animal from which two or more species evolved
An animal that is related to many other species
2
Which type of body structures suggest common ancestry?
Analogous
Homologous
3
Any heritable trait that helps an organisms survive in its environment is a(n)
Natural Selection
Adaptation
Stroke of luck
Fitness
4
What supporting evidence supports the idea that land mammals and whales could be connected?
Observation of living whales
Biogeography
Recent Fossil Finds
Embryology
5
Which of the following is an example of an environmental pressure?
A lake that is gradually running out of water
Breeding between two members of the same species
The air pressure in the atmosphere
A fight between two members of the same species
6
In what way is life on Earth similar to a large tree? Choose the best answer.
All of life needs water to survive
It is rooted in the ground
All of the different branches are connected
It cannot move under its own power
7
What is the approximate age of the Earth?
4.5 Billion years old
4 million years old
5.5 million years old
6 Billion years old
8
What trait determines whether two animals belong in the same species?
The environment they live in
Their evolutionary relationship to humans
Their physical appearance
Their ability to breed with one another
9
If you wanted to excavate fossils of the earliest human ancestors, to where would you travel?
Australia
Guatemala
Kenya
Asia
10
Look at the different body shapes within a pop. of giraffes. These differences is an example of
sexual selection
adaptation
variation
natural selection
11
The wing of a bird that cannot fly is an example of a(n)
Homologous Structure
Analogous structure
Molecular Structure
Vestigial Structure
12
Why was having a large brain advantageous for early hominins?
It helped them see better
It made them walk upright
It increased intelligence and helped them hunt to survive
It prevented them from making dangerous weapons
13
What is the oldest of these species?
Tool-making hominins
Australopithecines
Homo-sapiens
Neanderthals
14
How can molecular biology be used to trace the process of evolution?
Universal genetic code/homologous molecules give evidence
None mentioned
Recently discovered fossils trace the evo. of modern species
Similar patterns of embryo development are used as evidence
15
Series of related fossils are important evidence of evolution because they show
how organisms changed over time
how animals behaved in their environments
molecular homologies
how the embryos of organisms develop
16
What are structures that have lost all or most of their original functions?
Homologous Structures
Vestigial Structures
Analogous Structures
Bio-geographical Structures
17
Survival of the fittest means...
The smartest organisms
The biggest organisms
The fastest organisms
The best-adapted organisms
18
Which of the following is not supporting evidence of the theory of evolution?
Atmospheric Studies
Embryology
Biogeography
Body Structures
19
Body structures that are similar is function but do not suggest common ancestry are
Homologous
Analogous
Vestigial
None listed
20
How well an organism can survive and reproduce in its environment is called
Fitness
Heritable Traits
Artificial Selection
Adaptation
21
What is the significance of the Galapagos Islands to the theory of evolution?
It is where Charles Darwin wrote "The Origin of Species"
It is where Charles Darwin was born and raised
It was where Darwin was exiled after his unpopular theory
It is where Darwin studied unusual animals
22
In biological terms, the organism that is most successful within its population is the one that
captures the most food
occupies the most properous niche
grows largest and fastest
produces the most surviving offspring
23
Vestigial structures are ____________.
Analogous
Homologous
24
The driving force behind evolution is
inheritance of acquired traits
gene mutation
large animals eating smaller animals
natural selection
25
Which of the following is an example of vestigial structures?
Bat wings
Human phalanges
Dolphin and Whale Hipbones
Octopus Tentacles
26
What is evolution?
When animals move to warmer climates in the winter
The migration of different species through the seasons
How organisms change across many generations
Ancient rock layers and the fossils they contain
27
What do evolutionary trees show?
all life is changing due to natural selection
all life evolves to the point of perfection
all living species are descended from their ancestors
All life depends on trees
28
In different parts of the world, Darwin found unrelated species that looked alike because
the species were closely related
the species lived in similar environments
the species lived in different environments
the species once lived in the same place
29
the selective breeding of plants and animals to promote desirable traits in offspring is
natural selection
artificial selection
evolutions
fitness
30
View the image. Which of the following is NOT true?
Fossil #3 is older than fossil #2
Fossil #1 is older than fossil #3
Fossil #4 is the oldest of the fossils
Fossil #2 is older than fossil #1
31
Which of the following would an animal breeder use to increase the milk given by his cows?
Artificial Selection
Genetic Isolation
Overproduction
Acquired Charateristics
32
What characteristic did early hominins share with modern humans?
Speech and Language
The inability to live in groups
Bipedalism
Small brains
33
Look at the different beak structures pictured. These evolutionary changes are known as:
Sexual Selections
Variations
Adaptations
Acquired Traits
34
Birds and _______ are more closely related than birds and mammals.
Amphibians
Fish
Humans
Reptiles
35
the study of biology and medicine concerned with the study of embryos and their development
Molecular Biology
Embryology
Biogeography
Genetics
36
What can you infer from the fact that all life on Earth is related, if you go back far enough?
Many different species existed at the beginning of time
Very few species have gone extinct over time
All life on Earth evolved from just a few simple life forms
Animals mutate and evolve at an extremely rapid rate
37
Which of the following ideas proposed by Lamarck was later found to be incorrect?
There's a relationship between an organism and its environm.
All species descended from other species
Acquired characteristics can be inherited
Living things change over time
38
Two populations of similar organisms will be considered separate species when they
become extinct
look different
can no longer interbreed and produce fertile offspring
occupy different niches
39
All living cells use DNA and RNA to make proteins and pass on genetic info. What is this?
Evolution
Natural Selection
Homologous Molecules
Common Genetic Code
40
Dog breeding is an example of
Biogeographical Selection
Artificial Selection
Natural Selection
Embryological Selection
41
Which statement fits in with the theory of evolution?
Humans evolved from chimpanzees
Chimps evolved from humans
Humans and chimps evolved from a common ancestor
There's no evolutionary relationship between humans & chimps
42
Which of the following is the most likely example of a favorable mutation?
A mutation that changes the color of a rabbit's fur orange
A mutation that allows a rabbit to run faster
A mutation that gives a rabbit a 3rd ear
A mutation that changes the color of the rabbit's eyes
43
Edible fruit is an adaptation in some flowering plants that provides an advantage in
getting more people to grow it
attracting more bees
widespread dispersal of seeds
making the plant more attractive
44
How are camels especially suited to their environment? Choose the best answer.
They're able to go without water for long periods of time
Their long eyelashes make them look attractive
Their humps make them good pack animals for humans
They get along well with other members of their species
45
The study of where organisms live and where their ancestors lived in the past is known as
Body Structures
Embryology
The Fossil Record
Bio-geography
