Biology: Animal Kingdom - Basis of Classification

Practice questions based on animal kingdom classification concepts including symmetry, coelom type, body plans, and circulatory systems.

Which phylum has radially symmetrical organisms?

Coelenterata

Which phylum possesses a true coelom?

Annelida

In which phylum is a loose cell aggregate type body plan found?

Porifera

Which phylum is pseudocoelomate?

Aschelminthes

How is it defined when any plane passing through the central axis of the body divides the animal into two identical halves?

Radial symmetry

Which phylum has a "Tube within tube" body plan?

Nemathelminthes

Which phylum has a closed circulatory system?

Annelida

In which phyla is segmentation found?

Annelida, Arthropoda, Chordata

Which groups of animals are Deuterostomes?

Echinodermata, Hemichordata, Chordata

In which groups is an incomplete digestive tract found?

Platyhelminthes and Ctenophora