Which of the following phyla do not develop as protostomes?
a. flatworms
b. molluscs
c. annelids
d. arthropods
e. echinoderms
E
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If phospholipids form a spherical structure when placed in water, then which of the following is the most logical
conclusion about those phospholipid molecules? a. They form a bilayer. b. They are cone-shaped. c. They are not amphipathic. d. They have two hydrophilic ends. e. They contain two fatty acid chains
Which of the following is not important for the process of natural selection?
A. meiosis B. mutation C. asexual reproduction D. sexual reproduction
On a field trip with your class to mountain lakes in Vermont, you come across a beautiful clear lake that is deep, and you can see the pebbles at its bottom
Why does your classmate hypothesize that this lake has been subjected to acidic deposition?
?
Figure 36.6B
Use the figure above to answer the following question.
Oxygen-poor blood circulates through the component(s) labeled as ____.
A. A B. B C. C D. D E. A, C, and E