Four of the following are advantages that led to an evolutionary shift toward bipedalism. Which one is the exception?
A. It allows for more efficient movement across open ground.
B. It made upright walking more energy efficient.
C. It keeps the body cooler.
D. It allows for better stereoscopic vision.
E. It is easier to scan the horizon for predators.
Answer: D
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Pinworm is a nematode parasite that lives in the human rectum, and causes itching in the anal area. What best explains the itching symptom?
A. Any kind of parasite will naturally irritate the skin. B. The itching induces the person to scratch, helping to spread the parasite to another person. C. The itching is a side-effect when the immune system has successfully attacked the nematode. D. The itching is because of the mismatch between humans and the parasite’s natural host. 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 nematode diseases? Choose Answer · Given what you now know, what information and/or problem solving approach 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 does not belong in the
clade of class Reptilia? a. turtle b. snakes c. birds d. lizards e. all of these belong
Would a calcium deficiency be more likely to cause excess water loss or a carbon dioxide shortage for
a plant (hint: think of the stoma)? What will be an ideal response?
All of the following functions are performed by plant vacuoles EXCEPT:a
maintaining hydrostatic (turgor) pressure. b. waste storage and recycling. c. storage of proteins. d. breakdown of unneeded cellular materials. e. storage of nucleic acids.