In a study examining the effects of disturbances and recruitment on the growth of coral in a portion of the Great
Barrier Reef, researchers concluded that changes in the coral colonies are ____.
a. due to external factors only.
b. due to internal factors only.
Chapter 53 - Population Interactions and Community Ecology
Cengage Learning Testing, Powered by Cognero Page 16
c. due to both external and internal factors.
d. solely due to human interference.
e. not observable after disturbances
ANSWER: c
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List four lines of evidence that support a link between cancer and genetics. Describe the ultimate cause of cancer and how an individual's life-style might reduce the chances of developing cancer
What will be an ideal response?
How did Wallace contribute to the history of ideas about evolution?
A) He proposed the idea that Earth is very old. B) He was the main opponent of Darwin's ideas immediately after they were published. C) He proposed the theory of inheritance of acquired characteristics. D) He proposed a theory of evolution similar to Darwin's.
How can poverty lead to overnutrition and obesity in America?
A. People living in poverty cannot afford foods with complete proteins. B. People living in poverty cannot afford foods with adequate amounts of vitamin A. C. People living in poverty may receive fewer than the minimum dietary requirement. D. People living in poverty take advantage of the growing availability of calorie-rich, highly processed foods. E. All of the above are correct.
McGraw-Hill EducationThe species that have had proportionally the most time to diverge are:
A. R and D B. F and R C. A and Z D. F and Z E. F