BIOL 2251 Final Exam Review – Questions And
Appropriate Answers
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Terms in this set (160)
Animals with bilateral are better adapted for directed forward movement than
symmetry: radially symmetrical organisms.
Multiple Choice
-can be divided into similar
halves by any plane
through the longitudinal
axis.
-are usually very slow-
moving organisms.
-are relatively simple in
structure.
-are better adapted for
directed forward
movement than radially
symmetrical organisms.
Animals with organs in a pseudocoelomate
cavity that is not
completely lined with
mesoderm are
Multiple Choice
-acoelomate.
-eucoelomate.
-pseudocoelomate.
-coelomate.
,A blastula develops into Gastrula
which state as the gut
cavity develops?
Multiple Choice
-It remains in the blastula
stage
-Gastrula
-Acoelomate
-Pseudocoelomate
Diploblastic organisms lack Mesoderm
which germ layer(s)?
Multiple Choice
-Endoderm
-Ectoderm
-Mesoderm
-Mesoderm and endoderm
Animals that have one solid acoelomate.
mass of tissue rather than
tissues and organs nestled
inside a body cavity are
Multiple Choice
-acoelomate.
-eucoelomate.
-pseudocoelomate.
-coelomate.
,Which of the following is Muscle contractions against the fluid chambers are
NOT an advantage of absorbed and have no effect.
having a true coelom?
Multiple Choice
-In some animals, sperm
and eggs can be stored
before they are released.
-The digestive system can
be coiled and provide
greater surface area.
-Muscle contractions
against the fluid chambers
are absorbed and have no
effect.
-In some animals, fluids
here can assist respiration
and circulation, and
accumulate metabolic
wastes.
Which gives the correct Cell, tissue, organ, organ system, organism
sequence of increasing
organizational complexity?
Multiple Choice
-Organ, tissue, cell, organ
system, organism
-Cell, organ, organ system,
tissue, organism
-Cell, tissue, organ, organ
system, organism
-Organism, tissue, cell,
organ system, organ
, Which is NOT a factor in Concentration of the sensory organs to increase sexual
cephalization? copulatory function
Multiple Choice
-Improving food
procurement by moving
the mouth to the region of
greatest sensing
-Directed movement
through an environment
-Concentration of sensory
organs at the point first
likely to encounter the
environment
-Concentration of the
sensory organs to increase
sexual copulatory function
Segments are delineated True
within a developing animal
by the use of Hox genes.
Their gene products are
transcription factors that
regulate the expression of
other genes that guide the
development of the
segment.
True or False
Appropriate Answers
Save
Terms in this set (160)
Animals with bilateral are better adapted for directed forward movement than
symmetry: radially symmetrical organisms.
Multiple Choice
-can be divided into similar
halves by any plane
through the longitudinal
axis.
-are usually very slow-
moving organisms.
-are relatively simple in
structure.
-are better adapted for
directed forward
movement than radially
symmetrical organisms.
Animals with organs in a pseudocoelomate
cavity that is not
completely lined with
mesoderm are
Multiple Choice
-acoelomate.
-eucoelomate.
-pseudocoelomate.
-coelomate.
,A blastula develops into Gastrula
which state as the gut
cavity develops?
Multiple Choice
-It remains in the blastula
stage
-Gastrula
-Acoelomate
-Pseudocoelomate
Diploblastic organisms lack Mesoderm
which germ layer(s)?
Multiple Choice
-Endoderm
-Ectoderm
-Mesoderm
-Mesoderm and endoderm
Animals that have one solid acoelomate.
mass of tissue rather than
tissues and organs nestled
inside a body cavity are
Multiple Choice
-acoelomate.
-eucoelomate.
-pseudocoelomate.
-coelomate.
,Which of the following is Muscle contractions against the fluid chambers are
NOT an advantage of absorbed and have no effect.
having a true coelom?
Multiple Choice
-In some animals, sperm
and eggs can be stored
before they are released.
-The digestive system can
be coiled and provide
greater surface area.
-Muscle contractions
against the fluid chambers
are absorbed and have no
effect.
-In some animals, fluids
here can assist respiration
and circulation, and
accumulate metabolic
wastes.
Which gives the correct Cell, tissue, organ, organ system, organism
sequence of increasing
organizational complexity?
Multiple Choice
-Organ, tissue, cell, organ
system, organism
-Cell, organ, organ system,
tissue, organism
-Cell, tissue, organ, organ
system, organism
-Organism, tissue, cell,
organ system, organ
, Which is NOT a factor in Concentration of the sensory organs to increase sexual
cephalization? copulatory function
Multiple Choice
-Improving food
procurement by moving
the mouth to the region of
greatest sensing
-Directed movement
through an environment
-Concentration of sensory
organs at the point first
likely to encounter the
environment
-Concentration of the
sensory organs to increase
sexual copulatory function
Segments are delineated True
within a developing animal
by the use of Hox genes.
Their gene products are
transcription factors that
regulate the expression of
other genes that guide the
development of the
segment.
True or False
