Evolution Application

a bird that can easily outcompete other birds for food and that can produce many eggs has a high

• life expectancy
• mutation rate
• fitness
• adaptability

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NGSS.MS-LS1-4

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Other insects can not, but, a bumble bee has just enough weight to open up the snapdragon flower and pollinate. This adaption is ....

• convergent evolution

• co-evolution

• divergent evolution

• speciation

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two species are in different environments and look very similar.  However, that are not closely related (analogous).  Their resemblance is most likely an example of.

• sexual selection
• temporal isolation
• convergent evolution
• divergent evolution

Tags

NGSS.HS-LS4-4

Darwin hypothesized that there are definite steps to natural selection. Consider the model of bacterial resistance to antibiotics. Use the Roman numerals (I - III) to guide you through the steps to describe how Darwin would explain antibiotic resistance. (10b, DOK 2)

• There is a change in the environment: an antibiotic is added. Some of the bacteria adapt to the new environment. They survive and reproduce.

• In any population, variation exists. Some bacteria are resistant to antibiotics. Most bacteria die, but the bacteria that are resistant survive and reproduce.

• Sexual reproduction of bacteria cause variation. Some bacteria survive antibiotics and some do not. Regardless, over time all of the bacteria should become extinct.

• In a population of bacteria that are exposed to antibiotics, some bacteria are able to change their genetic make-up and survive. The new genotype is passed on to offspring.

Tags

NGSS.MS-LS4-4

The graph shows the results of a famous biological experiment between Birmingham (woodlands) and Dorset (industrial area). The moths use tree trunks to camouflage themselves against birds, which are their major predators. Natural gene variations produce a light form of the peppered moth, and a dark form, meaning that they are not equally visible. (10b1, DOK 2)

Based on the data, WHICH IS NOT A CORRECT STATEMENT?

• Dark moths had a survival disadvantage in industrial Dorset.

• Light moths had a survival advantage in forested Birmingham.

• Light moths had a survival disadvantage in industrial Dorset.

• Dark moths had a survival disadvantage in forested Birmingham.

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NGSS.MS-LS2-4

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The Grand Canyon was carved out by the Colorado River. This caused the separation of members of a squirrel species. Abert’s Squirrel lives on the southern side of the canyon and in other parts of the United States. A subspecies, the Kaibab Squirrel, is found around the northern rim of the canyon and nowhere else in the country. The two squirrels differ in body and tail coloration. Their ears are also different. These variations are the result of? (AKS 10b1).

• geographic isolation

• specialization

• genetic mutation

• habitat destruction

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NGSS.MS-LS4-2

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Natural selection can lead to the formation of a new species which is called [10b1, DOK 1]

• fitness

• mutations

• speciation

• selection

Tags

NGSS.MS-LS4-4

If two populations of the same species of insects have been geographically isolated from each other for an extended period of time, they will MOST LIKELY exhibit and why:

(10b1, DOK 2)

• increased rates of genetic mutation; because of low population.

• very few differences in terms of appearance; because of environmental pressures.

• evolution into two different species; that allow for continued mating and inbreeding

• different traits that allow each to better survive in its particular environment; that allow continued fitness

Tags

NGSS.MS-LS4-4

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? (10b2, DOK 1)

• The population will increase rapidly.

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

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

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

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Why are many bacterial infections more difficult to treat now than they were fifty years ago? (10b2, DOK 1)

• Because there are more types of bacteria now.

• Because bacteria have evolved resistance to antibiotics

• Because bacteria reproduce at greater rates than in the past

• Because the treatment of viral infections consumes bacteria.

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