Evolution, Speciation, And Classification Question Preview (ID: 35627)
Covering The Ideas Of Darwin, Speciation, And Cladograms.
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When lions prey on a herd of antilopes, some antelopes are killed and some escape. Which part of Darwin's concept of natural selection might be used to describe this situation?
a) a) descent with modification
b) b) reproductive isolation
c) c) acquired characteristics
d) d) survival of the fittest
Darwin noticed that many organisms seemed well suited to
a) a) swimming from South America to Galapagos Islands
b) b) surviving the environment they inhabited
c) c) providing humans with food
d) d) being preserved as fossils
When a farmer breeds only his or her best livestock, the process involved is
a) a) survival of the fittest
b) b) artificial variation
c) c) natural selection
d) d) artificial selection
What is the movement of genes into and out of a population called?
a) a) Genetic Drift
b) b) Natural Selection
c) c) Mutation
d) d) Gene Flow
Mutations occur because of ______.
a) a) change in allele or genotype frequencies
b) b) the introduction of new variations through mistakes in DNA replication
c) c) the chance survival and reproduction of new variations
d) d) the introduction of new variations from elsewhere
According to Darwin's theory of natural selection, individuals who survive are the ones best adapted for their environment. Their survival is due to the
a) a) possession of inherited adaptations that maximize fitness
b) b) lack of competition within species
c) c) possession of adaptations developed through use
d) d) choices made by plant and animals breeders
Which list shows the words in correct order from simplest to most complex?
a) a) organism, species, population
b) b) population, species, organism
c) c) species, organism, population
d) d) species, population, organism
The formation of a new species as a result of evolution is called ?
a) a) speciation
b) b) natural selection
c) c) survival of the fittest
d) d) adaptation
The process in which populations gradually change over time in called?
a) a) selective breeding
b) b) inherited variation
c) c) heredity
d) d) evolution
Characteristics that help an organism survive and reproduce in its environment are called?
a) a) traits
b) b) genes
c) c) adaptations
d) d) selective breeding
What is one of the main ways that a new species forms?
a) a) competition between members of the species
b) b) a group is separated from the rest of the species
c) c) cross-breeding occurs within the species
d) d) mutations occur in members of the species and kill them
Differences between members of the same species are called?
a) a) variations
b) b) selections
c) c) adaptation
d) d) traits
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