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Terms in this set (80)
Which of the following C.
statements about The mesoderm gives rise to the epidermis
diploblasts and triploblasts
is false?
a.) Animals that display
radial symmetry are
diploblasts
b.) The endoderm gives rise
to internal organs such as
liver and lungs
c.) The mesoderm gives rise
to the epidermis
d.) Animals that display
bilateral symmetry are
triploblasts
,Which of the following a.)
statements about coelom In deuterostomes, the mesoderm buds from the
formation is true? wall of the archenteron to form the coelom
a.) In deuterostomes, the
mesoderm buds from the
wall of the archenteron to
form the coelom
b.) In deuterostomes, the
splitting of solid masses of
mesoderm forms the
coelom
c.) In protostomes, the
splitting of solid masses of
endoderm forms the
coelom
The evolution of predation True
sped up the pace of
animnal evolution. Is this
statement true or false?
The animals that evolved False
during the Cambrian
explosion are the first
animals that ever lived on
Earth. Is this statement true
or false?
An animal whose B.
development is marked by Deuterostome
radial cleavage and the
mouth forms as a
secondary opening is
called _______________.
a.) diploblastic
b.) deuterostome
c.) protostome
d.) basal animal
, Animals with bilateral D.
symmetry are better adapted for directed forward movement
than radially symmeterical organisms
a.) can be divided into
similar halves by any plane
through the longitudinal
axis
b.) are relatively simple in
structure
c.) are usually very slow-
moving organisms
d.) are better adapted for
directed forward
movement than radially
symmeterical organisms
Diploblastic organisms lack B.
which germ layers(s)? Mesoderm
a.) Mesoderm and
endoderm
b.) Mesoderm
c.) Endoderm
d.) Ectoderm
Which is NOT a factor in C.
cephalization? Concentration of the sensory organs to increase
sexual copulatory function
a.) Directed movement
through an environment
b.) Improving
locating/obtaining food by
moving the mouth to the
region of greatest sensing
c.) Concentration of the
sensory organs to increase
sexual copulatory function
d.) Concentration of
sensory organs at the point
first likely to encounter the
environment