The type of pant and animal life living in and around a pond depends on the soil of the pond, ........., and the pond's location

what the quality of the water is

The concepts of analogy and homology are probably easier to exemplify than to define. When different species are structurally compared, certain features can be described as either analogous or homologous. For example, flight requires certain rigid aeronautical principles of design, yet birds, bats and insects have all conquered the air. The wings of all three types of animals derive from different embryological structures, but they perform the same functions. In this case, the flight organs of these organs of these creatures can be said to be analogous. In contrast, features that arise from the same structures in the embryo but are used in different functions are said to be homologous. The pectoral fins of a fish, the wings of a bird, and the forelimbs of a mammal are all homologous structures. They are genetically related in the sense that both the forelimb and the wing evolved from the fin Which of the following best describes the organization of the passage?

A contrast is drawn between two concepts by means of examples

A general concept is introduces, examples are given, and a conclsion is offered

Two definitions of the same concept are compared

Two proposals are suggested and support for both is offered

The concepts of analogy and homology are probably easier to exemplify than to define. When different species are structurally compared, certain features can be described as either analogous or homologous. For example, flight requires certain rigid aeronautical principles of design, yet birds, bats and insects have all conquered the air. The wings of all three types of animals derive from different embryological structures, but they perform the same functions. In this case, the flight organs of these organs of these creatures can be said to be analogous. In contrast, features that arise from the same structures in the embryo but are used in different functions are said to be homologous. The pectoral fins of a fish, the wings of a bird, and the forelimbs of a mammal are all homologous structures. They are genetically related in the sense that both the forelimb and the wing evolved from the fin According to the passage, the concepts of analogy and homology are......

easier to understand through examples than through definitions

simple to define but hard to apply

The concepts of analogy and homology are probably easier to exemplify than to define. When different species are structurally compared, certain features can be described as either analogous or homologous. For example, flight requires certain rigid aeronautical principles of design, yet birds, bats and insects have all conquered the air. The wings of all three types of animals derive from different embryological structures, but they perform the same functions. In this case, the flight organs of these organs of these creatures can be said to be analogous. In contrast, features that arise from the same structures in the embryo but are used in different functions are said to be homologous. The pectoral fins of a fish, the wings of a bird, and the forelimbs of a mammal are all homologous structures. They are genetically related in the sense that both the forelimb and the wing evolved from the fin According to the information provided in the passage, which of the following would most probably be considered analogous?

A spider’s legs and a horse’s legs

A shark’s fin and a tiger’s claws

A man’s arms and a bird’s wings

A monkey’s tail and an elephant’s tail

The concepts of analogy and homology are probably easier to exemplify than to define. When different species are structurally compared, certain features can be described as either analogous or homologous. For example, flight requires certain rigid aeronautical principles of design, yet birds, bats and insects have all conquered the air. The wings of all three types of animals derive from different embryological structures, but they perform the same functions. In this case, the flight organs of these organs of these creatures can be said to be analogous. In contrast, features that arise from the same structures in the embryo but are used in different functions are said to be homologous. The pectoral fins of a fish, the wings of a bird, and the forelimbs of a mammal are all homologous structures. They are genetically related in the sense that both the forelimb and the wing evolved from the fin According to the passage, one way in which homologous organs differ from analogous organs is that they......

are only found in highly developed animals

perform the same general functions

come from different embryological structures

The concepts of analogy and homology are probably easier to exemplify than to define. When different species are structurally compared, certain features can be described as either analogous or homologous. For example, flight requires certain rigid aeronautical principles of design, yet birds, bats and insects have all conquered the air. The wings of all three types of animals derive from different embryological structures, but they perform the same functions. In this case, the flight organs of these organs of these creatures can be said to be analogous. In contrast, features that arise from the same structures in the embryo but are used in different functions are said to be homologous. The pectoral fins of a fish, the wings of a bird, and the forelimbs of a mammal are all homologous structures. They are genetically related in the sense that both the forelimb and the wing evolved from the fin As used throughout the passage, the term “structure” most nearly means.....

features of an animal’s anatomy

Listening-Structure-Reading (Mid-Test)

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30 questions

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MULTIPLE CHOICE QUESTION

1 min • 1 pt

........team sports require cooperation

Of all

They are all

All

Why are all

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Anyone who has ever pulled weeds from a garden .... roots firmly anchor

is well aware of

is well aware that

well aware

well aware that

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Centuries of erosion have exposed .....rock surfaces in the Painted Desert of northern Arizona

in colors of the rainbow

colored like a rainbow

rainbow-colored

a rainbow's coloring

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The higher the temperature of a molecule, .....

the more energy it has

than it has more energy

more energy has it

it has more energy

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Frontier surgeon Ephraim MacDonald had to perform operations .....anesthesia

not having

without

there wasn't

MULTIPLE CHOICE QUESTION

1 min • 1 pt

.......young, chimpanzees are easily trained

When are

When

They are

When they

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A person of ........age may suffer from defects of vision

every

some

certain

any

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Listening-Structure-Reading (Mid-Test)

........team sports require cooperation

Anyone who has ever pulled weeds from a garden .... roots firmly anchor

Centuries of erosion have exposed .....rock surfaces in the Painted Desert of northern Arizona

The higher the temperature of a molecule, .....

Frontier surgeon Ephraim MacDonald had to perform operations .....anesthesia

.......young, chimpanzees are easily trained

A person of ........age may suffer from defects of vision

.......have settled, one of their first concerns has been to locate an adequate water supply

If a bar magnet is ....... , two pieces form two complete magnets, each with a north and south pole

The type of pant and animal life living in and around a pond depends on the soil of the pond, ........., and the pond's location

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