A flower with carpels and stamens but no petals or sepals is
a. perfect and incomplete.
b. imperfect and complete.
c. imperfect and incomplete.
d. perfect and complete.
e. sterile
A
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Which of the following are accessory pigments
in photosynthesis? a. carotenoids b. phycobillins c. anthocyanins d. chlorophyll b e. all of these
Damage to the embryonic ectoderm would show up as damage to which adult body tissues?
A) Circulatory tissue B) Muscles C) Nervous tissue D) Skeletal tissue E) Body cavity linings
If two species are able to mate and produce an offspring which can mate with itself, but is unable to mate with either parent's species, it is an example of
A. a species cluster. B. sympatric speciation via polyploidy. C. character displacement. D. allopatric speciation. E. sympatric speciation via disruptive selection.
Which of the following statement is TRUE?
A. Endospores allow a cell to attach to surfaces within the host. B. Endospores are extremely resistant structures that can survive high temperatures. C. Endospores are used by bacteria for reproduction (binary fission). D. One bacterial cell produces manyendospores.