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Mechanisms of Evolution
Page 3
Questions (161)
Consider the following scenario:
An animal is born with a shorter tail. This makes no difference to its ability to survive or
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In which of the following scenarios would evolution by natural selection take place?(1 point)
Responses Penguins reproduce
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Why do organisms evolve?
A. Organisms naturally select traits that help them survive and reproduce. B. Changes in the environment
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Study the picture of the birds. These birds are all types of birds found in the islands of Hawaii and they all evolved from a
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31
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In an environment, barriers prevent an organism from entering other environments. This phenomenon illustrates the concept of –
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31
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In an environment, barriers prevent an organism from entering other environments. This phenomenon illustrates the concept of –
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Why do organisms evolve?(1 point) Responses Organisms make changes to help them survive and reproduce in their environment.
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truestforms10
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Why do organisms evolve? (1 point)
Organisms with traits that help them survive and reproduce in their environment pass on those
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Why do organisms evolve?
a.Changes in the environment cause organisms to change. b.Organisms naturally select traits that help
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What is the difference between genetic drift and natural selection?(1 point)
Responses Genetic drift is the frequency of genes in
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Jungkook is my love
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Which piece of evidence would best support the argument for kin selection as a mechanism for the evolution of altruistic
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Why do organisms evolve?
a. Organisms with traits that help them survive and reproduce in their environment, pass on those
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Drag and drop the definitions to match with the vocabulary word it describes (5 points)
Put responses in the correct input to
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Why do organisms evolve?(1 point)
Responses Organisms naturally select traits that help them survive and reproduce. Organisms
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match each definition with the correct word.
difference within a species gereration the traits with an environmental advantage
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no name
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When a random environmental event kills off a certain portion of a species' population, leaving only individuals with a certain
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Why do organisms evolve?
A. Organisms with traits that help them survive and reproduce in their environment pass on those traits.
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Exs
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In which of the following scenarios would evolution by natural selection take place?(1 point)
Responses Penguins reproduce
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Hana
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Which of these BEST describes our current understanding about how species evolve over time?
A As organisms use certain traits
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31
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Match the following vocabulary terms related to mechanisms of evolution with their corresponding definitions:
Put responses in
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What is the difference between genetic drift and natural selection?(1 point)
Responses Genetic drift is the change in a
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fnvlfnvlkvkoiw
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Why do organisms evolve?(1 point)
Responses Organisms naturally select traits that help them survive and reproduce. Organisms
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26 views
What is the difference between genetic drift and natural selection? (1 point) Genetic drift is the selection of random traits in
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what is one similarity between genetic drift and gene flow
A. they both occur in a population by chance B. they are obth caused
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What is the difference between genetic drift and natural selection?(1 point)
Responses Genetic drift is the random increase or
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Which kind of evidence is used by scientists to understand the intermediate states between an ancestral form and that of its
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Match each definition or phrase in the first column with the phrase in the second column.
1. What did Darwin infer from his
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why do organisms evolve (1 point)
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What mechanism of evolution is called when steeping on bugs?
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The Florida panther (Puma concolor coryi) population had declined to approximately 20-30 individuals as a result of habitat loss
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match the following
adaptation heritable trait natural selection allele frequency gene flow hardy-weinberg equilibrium single
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V
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Why do organisms evolve?(1 point) Responses Organisms naturally select traits that help them survive and reproduce. Organisms
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Notice the population of beetles. The allele for color is seen on their backs: green and brown alleles. Over time, through
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The three species pictured do not share a common ancestor, yet have evolved to have a similar anatomy and life style. This is an
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teen x
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Small differences between parents and offspring accumulate over time. This process (1 point)
• prevents parents from being able
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Which factor leads to genetic drift instead of natural selection?(1 point)
Responses Survivors pass on their adaptations
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The Bactrododema hecticum (African Stick Bug) is an hebivorous insect that looks like a stick. Based on modern evolutionary
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Unknown
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In many cases throughout geologic history, if mutations in the genetic materials of existing species had not occurred, new
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STAN NCT DREAM AND AESPA
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What determines which individuals will survive and pass their traits on to the next generation?
a mutualism b natural selection c
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Genetic drift tends to occur in populations that
a are small b have unchanging habitats. c are very large d are formed from new
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What may cause two different populations to develop different traits?(2 points) Responses reproduction reproduction migration
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Lamarck proposed that species change due to _______
a genetic mutations. b differences in survival rates. c use or disuse of
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what evolves during natural selection?
a. Entire spaces. b. Inactivated genes. c. The phenotypes of individual organisms. d. The
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The diagram shows the changes in foot structure in a bird population over many generations
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Andrew willams
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Consider the following scenario:
An animal is born with a shorter tail. This makes no difference to its ability to survive or
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16 views
Column A%0D%0A1.%0D%0AWhat did Darwin infer from his observations of organism in South America and the Galapagos
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Why do organisms evolve? A organisms make changes to help them survive and reproduce in their environment, B changes in the
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Natural selection causes changes in (1 point)
• phenotypes. • genotypes. • individuals. • populations.
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Bunny
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Which of the following examples best describes gene flow?
Responses A An isolated population of turtle is able to adapt and
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bob
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How do advantageous traits lead to evolution? Put the steps in the proper order.
advantageous trait-differential
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Parent Categories (7)
Biological Concepts
Biology
Evolution
Evolutionary Biology
Genetics
Natural Selection
Population Genetics