The Digestive System — Cumulative exam Answers

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?

Some geneticists study the genes that control bone development to try to understand bone growth and find cures for diseases. How is this different from an orthopedist (a doctor who specializes in bones)?

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

Why did the United States ban the use of DDT?

Which of the following is an example of adaptive radiation?

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?

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?

What do the skin and urinary system have in common?

When comparing dogs to wolves, scientists found evidence that supports the idea they come from a common ancestor. Which combination of evidence would most strongly support this idea?

Which of the following examples can cause gene flow between populations?

Which of the following statements best describes scientific research?

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

Fossils show how the complexity of living organisms has changed over time. Gerobatrachus hottoni was a unique organism that lived during the Permian period between ancient salamanders and ancient frogs. Scientists have nicknamed this organism the “frogamander” because it is believed to be a common ancestor of both modern frogs and salamanders.Which type of fossil is Gerobatrachus hottoni most likely to be?

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?

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?

The kidneys and sweat glands both work to prevent excesses of

When the body receives stimuli, which structure typically processes the stimuli?

The vertebrae are the irregularly shaped bones that make up the spine. To which skeletal system do the vertebrae belong?