As beta diversity increases, one should generally expect to find the species composition of different habitats:
A) becoming more similar.
B) becoming more different.
C) staying about the same.
Ans: B) becoming more different.
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Your friend is concerned because although she has never been pregnant, her breasts are producing milk. When she went to the doctor, he sent her to the MRI lab for a brain scan. She was too embarrassed to ask the doctor why. What do you tell her?
A. "They were actually scanning your thyroid gland, not your brain. Are you getting enough iodine in your diet?" B. "The MRI technician must have mixed up your patient records. He should have done a thoracic scan instead." C. "LH and FSH from the posterior pituitary stimulate milk production. The doctor wants to rule out excess levels of estrogen in the pituitary stalk." D. "Prolactin from the anterior pituitary stimulates milk production. The doctor probably wants to rule out a pituitary tumor." Clarify Question What is the key concept addressed by the question? What type of thinking is required? Gather Content What do you already know about the pituitary gland? What other information is related to the question? Choose Answer Given what you now know, what information is most likely to produce the correct answer? Reflect on Process Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Which of the following tissues transport water and dissolved minerals upward from the roots?
a. phloem b. xylem c. cortex d. vascular cambium e. cork cambium
A microbiologist is conducting a research project on chemolithoautotrophs. This means that the investigator is examining certain aspects of a bacterium that
A. is a purple nonsulfur bacteria which depends on light. B. can oxidize inorganic molecules such as ammonia and sulfur for energy. C. can use the energy from sunlight to build organic molecules from carbon dioxide. D. uses light as its energy source and carbon for organic compounds. E. obtains carbon from organic molecules.
Since all organisms carry on cellular respiration, all living cells must contain mitochondria.
Answer the following statement true (T) or false (F)