The flatworms have ____ symmetry

a. radial.
b. asymmetric.
c. bilateral.
d. spherical.
e. pentamerous.


C

Biology & Microbiology

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The disease in the above photograph is caused

by a. syphilis. b. gonorrhea. c. chlamydia. d. all of these. e. none of these

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The plants and animals now present on acreage from

which the trees were removed ten years earlier represent a. primary succession. b. a climax forest. c. pioneer species. d. secondary succession. e. species introductions.

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Animal cells typically achieve cytokinesis by

A. forming a cleavage furrow that pinches the cell into two. B. forming a cell plate across the middle of the cell. C. binary fission. D. chromosome condensation. E. chromosome elongation.

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Which microscope achieves the highest magnification and greatest resolution?

A) compound light microscope B) phase-contrast microscope C) darkfield microscope D) fluorescence microscope E) electron microscope

Biology & Microbiology