Parthenogenesis is a form of sexual reproduction
____________________ Indicate whether the statement is true or false.
F, asexual
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In lineages that moved onto land, gills were replaced by lungs; kidneys became better at conserving __________, and
the circulatory system became more efficient. Fill in the blank(s) with the appropriate word(s).
Amniotes differ from earlier vertebrates by ____.
A. their large size B. their three-chambered heart C. producing eggs in which the young can develop away from water D. the possession of a slimy skin E. having external scales
Dehydration in animals __________.
a. is always lethal b. that are exceptionally small, such as the tardigrade, is not usually fatal because of their large surface area-to-volume ratio c. is, on a cellular level, the opposite of freezing d. is a problem because fluid-mosaic cell membranes fall apart when deprived of water e. may be less damaging in the presence of sugar
What does "narrow spectrum antimicrobial" mean?
A) The antimicrobial is effective for a very short time. B) The antimicrobial is effective against a few microbes. C) The antimicrobial can only be administered to a small segment of the population. D) The antimicrobial is activated by a specific wavelength in the visible spectrum. E) The antimicrobial is effective on all bacteria but not eukaryotes.