Evolution Test Review Quizizz

Which is a characteristic of a virus but NOT a bacterium?

• Causes illness

• DNA is protected by a capsid

• Damages the cells in a body

• Transmitted in food and drink

According to the theory of ________, mitochondria in cells today are the descendants of aerobic prokaryotes that used oxygen to generate energy.

• mutualism

• ingestion

• parasitism

• endosymbiosis

In natural ecosystems, the presence of predators lessens the effects of ______ among the prey.

• parasitism

• competition

• infestation

• mutualism

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Scientists want to determine how closely related chimpanzees are to humans. Which data would give the MOST accurate comparison?

• Their niches

• Their physical characteristics

• Their DNA sequences

• Their behavioral characteristics

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The genetic information in human and chimpanzee DNA shows a high degree of similarity, as humans share about 96-99% of their DNA code with chimpanzees. What is an explanation for this similarity?

• They evolved from a common ancestor

• Their evolution is nearly complete

• They evolved at the same time

• They evolved from each other

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A population of bacteria is treated with an antibiotic. Because of variation in the population of bacteria, what is a possible outcome of the treatment?

• Some of the bacteria may be resistant to the antibiotic and survive.

• All of the bacteria will be resistant to the antibiotic.

• The population will increase rapidly.

• The population will be better able to obtain a food source.

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All bony fish have common ancestors. Their fins develop from similar structures and usually have the same number of bones. Because of this, all bony fish would share _________ structures.

• Analagous

• Vestigial

• Evolutionary

• Homologous

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Bees can see yellow, blue and UV light but they can't see red. Bee-pollinated flowers are mostly yellow or blue with UV nectar guides to guide the bees to the food source. Once inside the flower, the bees inadvertently pollinate the plant. This is an example of:

• Coevolution

• Convergent Evolution

• Divergent Evolution

In a population of beetles, there are green and brown colorations that occur with equal frequency. After a forest fire, only 20 beetles remain. 18 of them are green and 2 of them are brown. What describes this change in frequencies?

• Gene flow occurred, as the 20 beetles migrated from a distant location.

• Natural Selection selected for phenotypes that blended with green leaves, which did not burn.

• A population bottleneck occurred, altering the resulting allele frequencies.

• Founder effect provided a new distribution of phenotype frequencies.

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Scientists estimate that the Earth formed some 4.6 billion years ago with the first forms of life appearing around 3.5 billion years ago. These first forms of life were simple prokaryotes. Later, the first photosynthetic organisms resulted in more ______ in the atmosphere. This allowed for more higher level organisms to appear on Earth.

• oxygen

• carbon

• sulfur

• nitrogen

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