7 Questions
Which phylum is not included in the grade Bilateria?
Cnidaria
What type of symmetry is characteristic of animals in the grade Bilateria?
Bilateral symmetry
Which end of the animal is typically distinct in animals with bilateral symmetry?
Anterior end
What type of animals are included in the grade Bilateria in terms of body layers?
Triploblastic
Describe bilateral symmetry and give an example of an animal with bilateral symmetry.
Bilateral symmetry is when an animal's right side is approximately the same as the left side, with a distinct anterior end. An example of an animal with bilateral symmetry is a butterfly.
What are the characteristic features of animals with bilateral symmetry?
Animals with bilateral symmetry have a clearly differentiated head present at the anterior end, a distinct posterior end, and clearly defined dorsal and ventral surfaces.
Which animal phyla are included in the grade Bilateria?
The animal phyla included in the grade Bilateria are Platyhelminthes, Nematoda, Annelida, Mollusca, Arthropoda, Echinodermata, Hemichordata, and Chordata.
Test your knowledge of animals with bilateral symmetry in this Grade Bilateria quiz. Explore the characteristics of organisms with distinct anterior ends and symmetry along a single plane.
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