What environmental change likely influenced the evolution of bipedalism in humans?
A. Trees grew taller, making it necessary to reach higher to pick fruit.
B. Warming of the Earth made it an advantage to get the heat-sensitive brain higher above a hot substrate.
C. Evolution of fleeter predators, making it necessary to use the hands to fight them off, rather than try to outrun them.
D. The Earth cooled and there was a resultant change from a forested to a grassy landscape.
E. Evolution of longer hind limbs made quadrupedal locomotion less effective.
D. The Earth cooled and there was a resultant change from a forested to a grassy landscape.
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A baby is born without the ability to make parietal cells. This baby would not be able to ___.
A. denature (unfold) milk proteins B. absorb glucose and galactose C. emulsify fats D. digest fats E. digest lactose Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you know about the function of parietal cells? 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?
Both C4 and CAM plants have modified carbon fixation. How do they each perform carbon fixation and what is the
benefit of each of these types of carbon fixation?
What will be an ideal response?In animal cells, hydrolytic enzymes are packaged to prevent general destruction of cellular components. Which of the following organelles functions in this compartmentalization?
a. chloroplast b. lysosome c. central vacuole d. peroxisome e. glyoxysome
The pectoral girdle is composed of the ________, or shoulder blades, and the collarbones
Fill in the blank(s) with correct word