Why are men much more likely to be born with red-green color blindness, hemophilia, or Duchenne muscular dystrophy?
a. These conditions are not expressed in women due to their sex organ differences.
b. These conditions travel only in the paternal line of inheritance.
c. These conditions are carried on the X chromosome.
d. These conditions are only caused by mutations due to exposure to particular toxins.
c. These conditions are carried on the X chromosome.
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Reptiles are better adapted to life on land than are amphibians. Which external characteristic would a reptile have to lose to make it roughly externally equivalent to an amphibian in terms of ability to tolerate dry land?
A. scales B. vertebral column C. eyelids D. limbs
Your roommate is on an ultra-low fat diet to try to lose weight. Given what you know about structure of the nervous system, what advice would you give him?
A. "You should drink large quantities of water, because the brain is mostly water." B. "Good for you! Losing weight by any means necessary can only help your brain." C. "You should eat some healthy unsaturated fats, like those found in fish, olive oil, and nuts, because your brain needs fatty acids to build the myelin sheaths around your axons." D. "You should eat trans fats, from donuts, because 'trans' is short for neurotransmission." Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content/Choose Answer · What do you already know about components of the nervous system? What other information is related to the question? 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?
Temperatures in all animal species are regulated primarily by behavioral mechanisms
Indicate whether the statement is true or false.
Evolutionary relationships between organisms are determined by
A. molecular evidence, anatomical homologies, anatomical analogies, and fossil records B. molecular evidence and fossil records C. molecular evidence, anatomical analogies, fossil records D. molecular evidence, anatomical homologies, and fossil records. E. molecular evidence and anatomical homologies