Principles of inveretebrate Structure and Classification Flashcards
1
Q
Cnidarians are characterized by a _________ grade of organization.
A
B) Tissue-organ
2
Q
Larger size attained by more evolutionarily advanced organisms prevented effective …….
A
respiration by cells deep within a body
3
Q
Which of the following is a pseudocoelomate animal? A) a sponge B) a nematode C) a fish D) a jellyfish
A
B) A nematode
4
Q
Animals that possess a true coelom have a body cavity lined completely with mesoderm. True or False
A
True
5
Q
Which of the following is not characteristic of protostomes? A) blastopore forms the mouth opening B) radial cleavage C) schizocoelous development D) mosaic embryo
A
B) Radial Cleavage
6
Q
Bilateral symmetry is associated with ____, localization of sensory structures in a distinct head region.
A
cephalization
7
Q
Which of the following lacks mesoderm? A) primarily radiate animals B) acoelomates C) pseudocoelomates D) eucoelomates
A
A) Primarily radiate animals
8
Q
What are the broadest categories in the system of classification, below kingdoms
A
Phyla
9
Q
In order, what are the hierarchical rankings within the animal kingdom
A
Kingdom, phyla, class, order, family, genus, and species
