Select the following phylum that includes animals that are segmented, bilaterally symmetric, and have a chitinous exoskeleton.

A “hot spot” that we discussed in class refers to

Which image above displays a coelomate?

Animals that possess homologous structures probably :

_____-Who established a classification system that is the basis for the current classification system?

Use the graphic below to answer the next THREE questions. Which image above displays a pseudocoleomate?

An organism that utilizes extracellular enzymes to digest and absorb food, multi-cellular and single-celled life cycle, and non-photosynthetic describes

After a sperm fertilizes an egg, the zygote undergoes

The very broad field of study of animals is

reflect the hierarchical classification of taxonomic groups nested within more inclusive groups.