What germ layers do diploblastic animals have?
Two germ layers.
How many germ layers do triploblastic animals have?
Three germ layers.
What type of symmetry arranges body parts around a central axis?
Radial symmetry.
Which symmetry divides the body into two equal halves?
Bilateral symmetry.
What determines if an animal is acoelomate, pseudocoelomate, or coelomate?
The presence and type of body cavity.
Which animals are included in the Cnidarian group?
Hydra and related species.
What two body forms may Cnidarians have?
Sessile polyp and free-swimming medusa.
What two anatomical features do Molluscs possess?
A mantle cavity and a radula.
With which functions are Molluscs' mantle cavity and radula associated?
Excretion and respiration.
What are two characteristic features of Hemichordates?
A proboscis and a stomochord.
Which levels of organization are shown in the animal body plan?
Cellular, tissue, organ, and organ-system levels.
How do Cnidarians reproduce in the polyp form?
Asexually.
How do Cnidarians reproduce in the medusa form?
Sexually.
Answer 6 questions on Animal Kingdom Classification.
1. How many germ layers does a triploblastic animal possess?
2. An animal whose body parts are arranged around a central axis has which type of symmetry?
Go over the full study guide for Animal Kingdom Classification.
Read the study guide →Upload your class notes and Revizly writes your flashcards in about a minute.
Flashcard maker