Ch 33 Animal Diversity and Sponges

Damage to its flagellum would prevent a choanocyte from 

• circulating water through the sponge
• stinging and capturing prey.
  
  
• secreting spongin to form the sponge body.
• producing the supportive spicules.

Despite their seemingly simple anatomy and radial symmetry, ______ are a type of deuterostome, and closely related to the chordates

• jellyfish
• hydra
• sea stars (starfish)
• snails

What are the three animal phyla that dominate animal life on land?

• Cnidaria, Mollusca, Platyhelminthes

• Porifera, Arthropoda, Nematoda

• Nematoda, Chordata, Cnidaria

• Mollusca, Arthropoda, Chordata

Segmentation is the subdivision of the body into segments or metameres. True segmentation is found in which of the following phyla? 

• Annelida, Mollusca, Arthropoda
• Mollusca, Chordata, Annelida
• Arthropoda, Annelida, Chordata
• Arthropoda, Chordata, Porifera

Which one of the following terms applies to the phylum Arthropoda?

• coelomate
• diploblastic
• radial symmetry
• deuterostome

Which one of the following terms applies to the phylum Mollusca? 

• diploblastic
• asymmetry
• protostome
• party animal

The presence of three germ layers as seen in mammalian embryos

• diploblastic
• triploblastic
• pseudoblastic

Cnidarians (hydra) have two germ layers so they are

• triploblastic
• diploblastic
• digerminal
• pseudocoelomate

Tags

NGSS.MS-LS4-2

The specialization of a head region

• cephalization
• cephalopod
• celiac
• triploblastic

An organism with radial symmetry

• cnidarian
• spone
• human
• butterfly