UCF Biology Exit Exam Practice
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MOST TESTED (frequently tested)
QUESTIONS AND VERIFIED ANSWERS | GET
IT 100% ACCURATE!!
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
Which of the following are important abiotic factors that can affect the structure and
organization of biological communities? -ANSWER✅✅✅Predation, competition
Which statement best contrasts environmentalism with ecology?` -
ANSWER✅✅✅Ecology provides scientific understanding of living things and their
environment; environmentalism is more about conservation and preservation of life on
Earth.
Ecology as a discipline directly deals with all of the following levels of biological
organization except -ANSWER✅✅✅Cellular
Which of the following levels of organization is arranged in the correct sequences from
most to least inclusive? -ANSWER✅✅✅Ecosystem, community, population, individual
Which of the following obtain energy by oxidizing inorganic substances; energy that is
used, in part, to fix CO2? -ANSWER✅✅✅Chemoautotrophs
Which of the following use light energy to synthesize organic compounds from CO2? -
ANSWER✅✅✅Photoautotrophs
Cyanobacteria are -ANSWER✅✅✅Photoautotrophs
Which of the following contains a copy of the chromosome, along with a small amount
of dehydrated cytoplasm, within a tough wall? -ANSWER✅✅✅Endospore
If this structure connects the cytoplasm of two bacteria, one of these cells may gain new
genetic material: -ANSWER✅✅✅Sex pilus
Questions| latest |COMPREHENSIVE
MOST TESTED (frequently tested)
QUESTIONS AND VERIFIED ANSWERS | GET
IT 100% ACCURATE!!
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
Which of the following are important abiotic factors that can affect the structure and
organization of biological communities? -ANSWER✅✅✅Predation, competition
Which statement best contrasts environmentalism with ecology?` -
ANSWER✅✅✅Ecology provides scientific understanding of living things and their
environment; environmentalism is more about conservation and preservation of life on
Earth.
Ecology as a discipline directly deals with all of the following levels of biological
organization except -ANSWER✅✅✅Cellular
Which of the following levels of organization is arranged in the correct sequences from
most to least inclusive? -ANSWER✅✅✅Ecosystem, community, population, individual
Which of the following obtain energy by oxidizing inorganic substances; energy that is
used, in part, to fix CO2? -ANSWER✅✅✅Chemoautotrophs
Which of the following use light energy to synthesize organic compounds from CO2? -
ANSWER✅✅✅Photoautotrophs
Cyanobacteria are -ANSWER✅✅✅Photoautotrophs
Which of the following contains a copy of the chromosome, along with a small amount
of dehydrated cytoplasm, within a tough wall? -ANSWER✅✅✅Endospore
If this structure connects the cytoplasm of two bacteria, one of these cells may gain new
genetic material: -ANSWER✅✅✅Sex pilus
