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Evolution
Evolution
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for the myp 5
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Answers
1
The core idea of evolutionary "success" is oriented around
intelligence
strength, better senses
achievement of a long life
production of viable offspring
2
Which of the following represents a pair of homologous structures
the wing of a bat and the flipper of a whale
the antennae of an incest and the eyes of a bird
the wing of a bat and the scales of a fish
the wing of a bat and the wing of a butterfly
3
Which of the following is NOT a part of Darwin's theory of natural selection?
populations produce more offspring than can be supported
the odds that an organism survives and reproduces are random
heritable traits promoting survival will become more common
organisms compete for limited resources
4
changes occurring in some plants over time, enabling their life in dry habitats are examples of
succession
adaptations
energy flow relationships
nutritional relationships
5
Why would it be false to claim humans descended from chimpanzees?
humans and chimps are not related
humans are more like neanderthals
humans and chimps both descend from a common ancestor
humans and chimps are still in the same species
6
what is needed in order for evolution to occur?
selective pressure
variation
all of the above
reproduction
7
natural selection tends to reduce variation in gene pools, what process balances nat. selection
mutation
migration
reproduction
meiosis
8
which of the following statements about natural selection is false?
it can be observed working in organisms alive today
it depends on the local environment at the current time
has the goal of improving the fitness of an organism
n.s. & evolutionary change can occur over a few generations
9
a change in the relative frequencies of alleles in a population is called
evolution
mutation
genetics
natural selection
10
all of these foods descend from wild mustard and can still interbreed. They exist because of
natural selection
artificial selection
inheritance of acquired characteristics
genetic drift
11
a population is a group of individuals of....
all individuals of a species, regardless of location
a species plus all other species with which they interact
the same species that live in the same area and interbreed
multiple species living in the same place at the same time
12
According to this cladogram, mammals are most closely related to
fish
sharks
lizards
amphibians
13
which of the following statements is FALSE?
homologous structures = same features modified in diff. ways
heritable traits cannot be passed on through generations
life arose in water and later made its way on to land
fossils can show evolutionary changes in bones and teeth
