Bio 172 Exam Questions with correct
Answers
Which
/of
/the
/following
/statements
/best
/explains /how /planarians /can /survive /and /thrive /without /respiratory /or /circulatory /systems?
/
A.
/none
/of
/their /cells /are /far /removed /from /the /gastrovascular /cavity /or /from /the /external /environment
/
B.
/they
/lack /mesoderm /as /embryos /and, /therefore, /lack /the /adult /tissues /derived /from /mesoderm
/
C. /their /body /cavity, /a /coelom, /carries /out /these /functions
/
D.
/they
/have /
a
/dorsal
/hollow
/nerve
/cord /-
/correct
/answers✔✔
/A.
,/none
/of
/their /cells /are /far /removed /from /the /gastrovascular /cavity /or /from /the /external /environment
Some /members /of /the /phylum /Cnidaria /(cnidarians) /have
/
A. /a /medusa /stage
/
B. /pharyngeal /gill /slits
/
C. /a /dorsal /hollow /nerve /chord
/
D. /a /tube-like /gut
/
E. /amniotic /eggs /- /correct /answers✔✔ /A. /a /medusa /stage
How /many /phyla /of /living /animals /are /there /on /Earth /today?
/
A. /at /least /1000
/
B. /around /35
/
C. /about /10
/
D. /3
/
E. /1 /- /correct /answers✔✔ /(Not /A /c)
Trichinella
/infection /in /uncooked /or /poorly /cooked /pork /is /caused /by /a /member /of /the /phylum
/
, A. /Nematoda /(round /worms)
/
B. /Cnidaria /(jellyfish /and /anemones)
/
C. /Annelida /(segmented /worms)
/
D. /Platyhelminthes /(flat /worms)
/
E. /Arthopoda /(arthropods) /- /correct /answers✔✔ /A. /Nematoda /(round /worms)
The
/lineage
/of
/animals
/called
/Lophotrochozoa /is /distinguished /mainly /through /molecular /data /but /the /name /refers /to__
/
A. /feeding /and /larval /structures.
/
B. /characteristics /of /sensory /structures.
/
C. /animals /with /no /cell /walls.
/
D. /animals /with /jaws.
/
E.
/the
/number /and /shape /of /limbs /and /feet. /- /correct /answers✔✔ /A. /feeding /and /larval /structures.
Which
/of /the /following /groups /of /organisms /has /flagella /associated /with /its /method /of /feeding?
/
A. /Annelids
Answers
Which
/of
/the
/following
/statements
/best
/explains /how /planarians /can /survive /and /thrive /without /respiratory /or /circulatory /systems?
/
A.
/none
/of
/their /cells /are /far /removed /from /the /gastrovascular /cavity /or /from /the /external /environment
/
B.
/they
/lack /mesoderm /as /embryos /and, /therefore, /lack /the /adult /tissues /derived /from /mesoderm
/
C. /their /body /cavity, /a /coelom, /carries /out /these /functions
/
D.
/they
/have /
a
/dorsal
/hollow
/nerve
/cord /-
/correct
/answers✔✔
/A.
,/none
/of
/their /cells /are /far /removed /from /the /gastrovascular /cavity /or /from /the /external /environment
Some /members /of /the /phylum /Cnidaria /(cnidarians) /have
/
A. /a /medusa /stage
/
B. /pharyngeal /gill /slits
/
C. /a /dorsal /hollow /nerve /chord
/
D. /a /tube-like /gut
/
E. /amniotic /eggs /- /correct /answers✔✔ /A. /a /medusa /stage
How /many /phyla /of /living /animals /are /there /on /Earth /today?
/
A. /at /least /1000
/
B. /around /35
/
C. /about /10
/
D. /3
/
E. /1 /- /correct /answers✔✔ /(Not /A /c)
Trichinella
/infection /in /uncooked /or /poorly /cooked /pork /is /caused /by /a /member /of /the /phylum
/
, A. /Nematoda /(round /worms)
/
B. /Cnidaria /(jellyfish /and /anemones)
/
C. /Annelida /(segmented /worms)
/
D. /Platyhelminthes /(flat /worms)
/
E. /Arthopoda /(arthropods) /- /correct /answers✔✔ /A. /Nematoda /(round /worms)
The
/lineage
/of
/animals
/called
/Lophotrochozoa /is /distinguished /mainly /through /molecular /data /but /the /name /refers /to__
/
A. /feeding /and /larval /structures.
/
B. /characteristics /of /sensory /structures.
/
C. /animals /with /no /cell /walls.
/
D. /animals /with /jaws.
/
E.
/the
/number /and /shape /of /limbs /and /feet. /- /correct /answers✔✔ /A. /feeding /and /larval /structures.
Which
/of /the /following /groups /of /organisms /has /flagella /associated /with /its /method /of /feeding?
/
A. /Annelids