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Topic Review: Evolution

Quiz by Texas Education Agency

High School
Biology (2017)
Texas Essential Knowledge and Skills (TEKS)

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Measures 6 skills from
High School
Biology (2017)
Texas Essential Knowledge and Skills (TEKS)


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37 questions
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  • Q1
    Some organisms have genes that improve their ability to survive and reproduce. If the genes also help their offspring survive and reproduce, then which of the following will most likely increase?
    The frequency of the genes in one individual
    The number of genes in one chromosome
    The frequency of the genes in the population
    The number of genes in the species
  • Q2
    The concept of gene flow is demonstrated when a cow is driven off from its herd, joins another herd, and reproduces. When the cow contributes to the gene pool of the new herd, which of these most likely increases?
    Natural selection
    Reproductive mutations
    Genetic variation
    Environmental fitness
  • Q3
    Zoogeographic regions are characterized by the presence of specific groups of animals. These regions are determined by the taxonomic or phylogenetic relationships of animals. The map shows the zoogeographic regions proposed by the naturalist Alfred Russel Wallace in 1876. The similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between the organisms in both locations?
    Question Image
    1 and 2
    5 and 6
    7 and 8
    3 and 4
  • Q4
    After examining the fossil record, scientists have determined that scorpions today are much smaller than their extinct ancestors. For example, Jaekelopterus rhenaniae, a giant scorpion species that lived 255 million to 460 million years ago, was 2.5 meters long. Which of the following conclusions is supported by this information?
    Scorpions do not appear in their original state in the fossil record
    Scorpions living today have increased their numbers since they first appeared
    Scorpions in the fossil record are smaller than their descendants are
    Scorpions have changed as a result of natural selection
  • Q5
    A harmless scarlet king snake and a venomous eastern coral snake have similar band patterns, as shown below. For the scarlet king snake, the adaptation of having a banding pattern like the eastern coral snake's is known as mimicry. The outcome of this adaptation in the scarlet king snake is to -
    Question Image
    make it easier for the scarlet king snake to attract prey
    allow the scarlet king snake to blend in with its environment
    make it easier for the scarlet king snake to interbreed with the other snake
    protect the scarlet king snake from predators
  • Q6
    The limbs of several organisms are shown in the illustrations below. Scientists sometimes compare the limbs of these organisms to look for evidence of common ancestry. These limbs provide evidence of common ancestry because they -
    Question Image
    have the same basic structure
    perform the same function
    are parts of mammals
    are the same size
  • Q7
    The opossum, which is native to North America, and the kangaroo, which is native to Australia, are marsupials. The fact that both these mammals incubate their immature offspring in a pouch provides evidence that they -
    Question Image
    belong to the same species
    must range great distances to eat
    are descended from a common ancestor
    have very similar skeletal structures
  • Q8
    The cladogram shows the evolution of land plants as indicated by fossil records.Which discovery would challenge the validity of this cladogram?
    Question Image
    A large aquatic vascular plant about 200 million years old
    A fossil of a fern more than 425 million years old
    A moss species that has existed for less than 380 million years
    A species of algae that has existed for less than one million years
  • Q9
    Lord Howe Island is a volcanic island in the Tasman Sea that is about 11 km long and 2.8 km wide. The island has two species of palm trees, Howea forsteriana and the more abundant Howea belmoreana. The two species do not interbreed even when they grow very close to each other. Which evolutionary process fails to occur?
    Genetic drift of Howea forsteriana
    Gene flow between the two species
    Mutations in Howea belmoreana
    Natural selection of adaptive traits in both species
  • Q10
    Scientists estimate that there are more than 20,000 species of ants. The species range in size from 1 mm long to 38 mm long and live in most environments. The diets of ants range from flowers and seeds to fluids from their own larvae. Ants have been able to successfully inhabit so many different environments because their populations have been able to -
    adapt to a variety of habitats and food sources
    hybridize with other species of insects
    occupy habitats that have no other life-forms
    fill niches usually occupied by mammals
  • Q11
    In Madagascar scientists have discovered a moth, Xanthopan morganii praedicta, that has a 30.5 cm proboscis and feeds from and pollinates Darwin's orchid, Angraecum sesquipedale. The orchid has a nectar-producing tube that is 27.9 cm long. How is the moth's proboscis size an adaptation for its environment?
    Question Image
    The moth can pollinate other flowers
    The moth has little competition for food
    The moth has time to feed during the day
    The moth can avoid larger animals
  • Q12
    Genome maps provide the DNA sequences of chromosomes. Some scientists have compared the genome maps of a hedgehog and a sloth. What do these genome maps allow the scientists to determine?
    The methods of protein synthesis that each species uses
    How closely related the two species are to each other
    The color patterns of the offspring of each species
    How much the size ranges of the two species differ
  • Q13
    Which condition is essential for natural selection to result in a new species?
    A static environment
    A long life span
    An inherited variation
    Unlimited resources
  • Q14
    In the European roe deer (Capreolus capreolus), implantation of embryos after breeding is delayed. The deer breed in July or August but do not give birth until the following May or June. From summer to late December, the embryo rests in a state of dormancy as a 30-cell blastocyst. In late December or early January, the embryo sends a signal that causes the female to release hormones, allowing the embryo to continue to develop normally. Why is delayed implantation an advantageous adaptation for the European roe deer?
    Question Image
    Delayed implantation enables the female to give birth to more fawns each year
    Delayed implantation allows the mother to continue to breed with other males
    Without delayed implantation, the females would not be able to carry a pregnancy to full term
    Without delayed implantation, the fawns would be born in the winter when food is scarce and the weather is harsh.
  • Q15
    Two populations of mice living in the same forest are separated by a large water-filled ditch. After a rainstorm, flooding brings several mice from one population to the other population. When the mice from the first population reproduce with members of the second population, which of the following will likely occur?
    All the offspring will die as a result of reproductive mutations
    The offspring will be genetically identical to their parent from the first population
    The offspring in the second population will have greater genetic variety
    The offspring will be forced to leave the second population

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