What survival advantage do jawed fishes have over jawless fishes?
What will be an ideal response?
Jawed fishes are able to eat a wider variety of foods, which gives them a survival advantage.
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A bone marrow sample from Patient X has abnormally-low numbers of megakaryocytes. What body process would you expect to be impaired in Patient X?
A. temperature regulation by vasoconstriction or vasodilation of superficial blood vessels B. blood clotting following injury to a blood vessel C. defense against foreign microorganisms D. transport of oxygen E. maintaining normal osmotic balance between the blood and the interstitial fluids 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 megakaryocytes? 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?
The spongy body running the length of the underside of the penis is the _____.
A. coronal ridge B. corpora cavernosa C. corpus spongiosum D. coronal sponge
Which of the following hormones is produced only
when a woman is pregnant? a. testosterone b. gonadotropic-releasing hormone c. human chorionic gonadotropin d. estrogen e. progesterone
Which energy source is a nonrenewable resource?
A) solar energy B) hydrogen fuel cell C) wind power D) natural gas