The coelom (Greek koilōma, hollow, cavity) refers to the main body cavity in most
multicellular ... Pseudocoelomate animals have a pseudocoelom (literally “false
cavity”), which is ...
But molluscs have developed a true coelom, an internal body cavity enclosed ...
Bivalves like oysters and clams, have greatly enlarged gills that they use for both
..... Locate and identify the following structures: pharnyx, crop, gizzard, intestine, ...
A true coelom means that the space was lined with mesoderm and that
mesodermal ... Which of the following groups has an obvious trochophore larval
Which of the following has a true coelom? a. flatworm c. rotifer b. roundworm d.
mollusk ANS: D DIF: 1 OBJ: 35-1.1 3. The evolution of a coelom was significant ...
7) Which of the following is true of members of the phylum Cnidaria? A) They ...
The embryo develops into a trochophore larva and eventually has a true coelom.
longitudinal and circular muscles. No Coelom. Have true organs, with solid mass
of mesodermal parenchyma cells surrounding organs. Organized like a ladder ...
... level of organization, the tube-within-a-tube body plan, and a true coelom. ...
Coelom allows digestive system to move independent of body wall; internal ...
Protostomes include mollusks, annelids, and arthropods; they have three
embryological traits. ..... Following fertilization, eggs are attached to swimmerets
In mammals the body cavity is called a Coelom and it is the area that contains ...
Acoelomate animals are called acoelomates and they have no true body cavity.
Aug 12, 2008 ... Side view of a flatworm. The flatworm's ribbon-shaped, flattened dorso-ventally
body has no true body cavity (coelom) except the gut and thus ...
Animals with a true coelom also have mesenteries, which suspend the body
organs within the coelom. Animals ... Tue coelomates are of the following types.