Cumulative Exam Answers

After having the chicken pox vaccine, Marta went to a party where someone had the chicken pox virus. Which best describes why Marta did not get chicken pox?

Drosophila eye color is an X-linked trait. Red eye color is dominant, and white eye color is recessive. Which Punnett square shows a cross in which the probability that offspring will be red-eyed males is 25 percent?

Plant reproduction requires the presence of auxins, as well as a large amount of sugar for energy. Which two main plant tissues work together to release sugar and carry hormones so that reproduction can take place?

A scientist measured an increase in nitrous oxide in the atmosphere. This increase would result in

What is the relationship between coronary artery disease and a heart attack?

Aristo was riding in a car and noticed a pond that was covered in algal blooms due to excess phosphorus in the water. Which of these other features in the landscape could be the reason for the high levels of phosphorus?

How is the world population projected to change in the next few decades?a.It is projected to level off.b.It is projected to decrease steadily.c.It is projected to increase steadily.d.It is projected to double within 5 years.

If a scientist wanted to follow Mendel’s experiment with a different kind of plant, which type of plant would she examine?

Red-green color blindness is an X-linked recessive disorder that is passed through generations and can be traced by using a pedigree. Which individuals in the pedigree are identified and labeled carriers for red-green color blindness?

The overall population of a species decreased. What could have occurred to make this happen?

Which is most likely a source of air pollution?

Which of the following is a possible cost of using renewable resources?a.loss of animal speciesb.land degradationc.lower availability of freshwaterd.all of the above

Before the beginning of the Industrial Revolution, most peppered moths found in and around Manchester, England, exhibited light-colored wings speckled with black. After the Industrial Revolution, peppered moths with dark wings became predominant in the area.Which term best describes the change from more light-colored moths to more dark-colored moths?

What is the most important consideration for environmental policy makers?a.popular opinionb.environmental healthc.costd.none of the above

A Russian citizen has illegally obtained a Siberian tiger and is trying to sell the tiger’s fur in the United States. What treaty does this violate?

A fossil of a new primate species is discovered. Scientists find evidence that members of this species traveled long distances without putting their hands down on the ground and used tools. Which trait would the fossil most likely have?

Which is the correct order of processes that occur as water moves from a lake to a cloud and then back to Earth's surface?

While walking to the kitchen in the middle of the night, Jamal tripped over an object that he could not see in the dark. Which part of the CNS sent a signal to help prevent Jamal from falling?

Which of the following can be reduced by the use of renewable energy sources?a.social costsb.economic costsc.environmental costsd.all of the above

Pea plants can have yellow seeds or green seeds. Which conclusion about the meaning of Y is correct if the allele combination Yy is for yellow seeds?

Which of the following is an example of adaptive radiation?

This diagram illustrates the three types of plant tissue.Which main plant tissue are the lines pointing to in the enlarged diagram?

Which of the following best explains how a hurricane can increase an area’s susceptibility to future storms?a.Storm surges cause massive damage to buildings along coastlines.b.Hurricanes often flood coastal communities.c.Hurricane strength winds cause large amounts of property damage.d.Erosion caused by hurricanes can leave coasts more exposed to storms.

A weakened immune system may be caused by

Pandas eat bamboo for energy. What are pandas?

A disease-causing bacteria successfully enters your body, making it past the first and second lines of defense. Which barrier will then act on the bacteria?

Which is an advantage of producing genetically engineered crops that have pest-resistant genes?

Aquatic organisms that lived hundreds of millions of years ago and were buried in silt and sediment resulted in the formation of _______.a.coalb.biomassc.biofuelsd.petroleum

Suzanne has type A– blood. Which blood type could she receive in a blood transfusion?

The child of a professional basketball player is a star player on a high school basketball team. Which statement best describes the child's ability?

Kudzu is a vine that was brought to the United States from Japan to prevent erosion. Once here, kudzu became invasive. What role does kudzu most likely play in the environment in the United States?

Which of the following practices that are needed to run a nuclear power plant has a negative impact on both air and water? a. cooling of the power plant b. mining of uranium c. storage of radioactive waste d. monitoring the reactor Please select the best answer from the choices provided

Which type of process occurred in the ecosystem that was affected by the 1988 fires in Yellowstone Park, which destroyed most of the vegetation but left the soil intact?

A news article discussed a genetically engineered medicine that is used to enhance the production of antibodies that are used against disease. Which medicine can this article be about?

Which of the following best explains why buildings tip during earthquakes?a.Seismic waves damage buildings’ foundations.b.The liquefaction of solid soil undermines buildings’ foundations.c.Body waves break underground water pipes.d.Surface faulting moves the ground in different directions.

What is the function of the hormone progesterone?

Punnett squares are used to show possible combinations of alleles or to predict the probability of a trait occurring in offspring. A pansy that is homozygous for purple flowers (PP) is crossed with a pansy that is homozygous for pink flowers (pp). Which genotypes will be included for the offspring in the Punnett square for this cross?

What is an advantage of using nuclear power?a.Nuclear power is generated at a lower cost than traditional methods.b.Nuclear power produces less pollution than traditional methods.c.Nuclear power is more efficient than traditional methods.d.All of the above

A student described his new pet dog to his friends. Which part of his description identifies an acquired trait of his new dog?

Male peacocks have large colorful tails that they spread in a fan shape to attract females during courtship. Peahens (female peacocks) are more likely to mate with males that have larger and more colorful tails. As a result, few peacocks have tails with dull coloring.Which concept is demonstrated by a decrease in dull coloring?

Which is accurate about the six kingdoms?

Which is a requirement for natural selection to occur?

Why does fossil fuel use in the United States make the U.S. vulnerable to the political wishes of foreign countries?a.The US is a net exporter of fossil fuels.b.Fossil fuels lead to global climate change.c.The US imports much of its petroleum from foreign countries which set the prices.d.All of the above.

Which statement describes the F1 generation of a Mendelian monohybrid cross between two true-breeding parents?

Which of the following is a difficulty associated with environmental protection?a.costb.unpredictabilityc.sustainabilityd.all of the above

If the data below were put into a bar graph, which animal would have the lowest bar on the bar graph?Number of Individuals in a Rocky Mountain Forest OrganismPopulationMountain lions150Bobcats300Coyotes10,000Deer25,000

A dichotomous key uses

Sophie says dolphins and sharks look very similar, so they must be related. Jake disagrees, saying DNA evidence has shown that dolphins and other aquatic mammals are actually more closely related to the ancestors of modern hippos. Who is correct using the modern system of classification?

Which best describes fetal development?

Ralph is looking at a blood vessel under a microscope as part of his study about the cardiovascular system. He notices that the vessel contains blood and has valves. What is the blood vessel that he is observing?