The earliest species known to reproduce sexually was a
a. cyanobacterium.
b. green alga.
c. fungus.
d. red alga.
e. archaebacterium.
d
Biology & Microbiology
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The karyotype of a young patient shows two Barr bodies per cell. What condition might this child have?
A. Turner syndrome B. Triple X syndrome C. Down syndrome D. Klinefelter syndrome E. This child is a normal female.
Biology & Microbiology
Some vertebrates like frogs and humans do not have a conspicuous tail, yet even humans have the remnants of one known as the
A. sacrum. B. lumbar. C. fundus. D. coccyx.
Biology & Microbiology
Four of the five terms listed below describe
participants in the body’s division of labor. Select the exception. a. tissue b. growth c. organ d. organ system e. organism
Biology & Microbiology
Protists in freshwater systems:
What will be an ideal response?
Biology & Microbiology