UCF Biology Exit Exam Practice
Questions and answers
DNA sequences in many human genes are very similar to the
sequences of corresponding genes in chimpanzees. The most
likely explanation for this result is that - answer Humans and
chimpanzees share a relatively recent common ancestor
It has been observed that organisms on islands are different from,
but closely related to, similar forms found on the nearest
continent. This is taken as evidence that - answer Island forms
and mainland forms descended from common ancestors
Of the following anatomical structures, which is homologous to
the wing of a bird? - answer Flipper of a cetacean
In Darwin's thinking, the more closely related two different
organisms are, the - answer More recently they share a common
ancestor
Charles Darwin was the first person to propose - answer A
mechanism for evolution that was supported by evidence
Which naturalist synthesized a concept of natural selection
independently of Darwin? - answer Alfred Wallace
, Darwin's mechanism of natural selection required long time spans
in order to modify species. From whom did Darwin get the concept
of Earth's ancient age? - answer Charles Lyell
Tropical grasslands with scattered trees are known as - answer
Savannas
Which biome is able to support many large animals despite
receiving moderate amounts of rainfall? - answer Savanna
Which of the following organisms is the most likely candidate for
geographic isolation? - answer Land snail
The main reason polar regions are cooler than the equator is
because - answer Sunlight strikes the poles at a lower angle
Which of the following is responsible for the summer and winter
stratification of deep temeprate lakes? - answer Water is densest
at 4 celsius
In temperate lakes, the surface water is replenished with nutrients
during turnovers that occur in the - answer Autumn and spring
Which of the following abiotic factors has the greatest influence
on the metabolic rates of plants and animals? - answer
Temperature
Questions and answers
DNA sequences in many human genes are very similar to the
sequences of corresponding genes in chimpanzees. The most
likely explanation for this result is that - answer Humans and
chimpanzees share a relatively recent common ancestor
It has been observed that organisms on islands are different from,
but closely related to, similar forms found on the nearest
continent. This is taken as evidence that - answer Island forms
and mainland forms descended from common ancestors
Of the following anatomical structures, which is homologous to
the wing of a bird? - answer Flipper of a cetacean
In Darwin's thinking, the more closely related two different
organisms are, the - answer More recently they share a common
ancestor
Charles Darwin was the first person to propose - answer A
mechanism for evolution that was supported by evidence
Which naturalist synthesized a concept of natural selection
independently of Darwin? - answer Alfred Wallace
, Darwin's mechanism of natural selection required long time spans
in order to modify species. From whom did Darwin get the concept
of Earth's ancient age? - answer Charles Lyell
Tropical grasslands with scattered trees are known as - answer
Savannas
Which biome is able to support many large animals despite
receiving moderate amounts of rainfall? - answer Savanna
Which of the following organisms is the most likely candidate for
geographic isolation? - answer Land snail
The main reason polar regions are cooler than the equator is
because - answer Sunlight strikes the poles at a lower angle
Which of the following is responsible for the summer and winter
stratification of deep temeprate lakes? - answer Water is densest
at 4 celsius
In temperate lakes, the surface water is replenished with nutrients
during turnovers that occur in the - answer Autumn and spring
Which of the following abiotic factors has the greatest influence
on the metabolic rates of plants and animals? - answer
Temperature
