Which of the following phyla do not develop as protostomes?

a. flatworms
b. molluscs
c. annelids
d. arthropods
e. echinoderms


E

Biology & Microbiology

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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

Biology & Microbiology

Which of the following is not important for the process of natural selection? 

A. meiosis B. mutation C. asexual reproduction D. sexual reproduction

Biology & Microbiology

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?

Biology & Microbiology

? 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

Biology & Microbiology