Which component of the compound microscope aids in the collecting and focussing of light rays on the material to be examined?

TLS Online TPP Program

#Question id: 8860

#Unit 9. Diversity of Life Forms

A radially symmetrical animal that has two embryonic tissue layers probably belongs to which phylum?

TLS Online TPP Program

#Question id: 8861

#Unit 9. Diversity of Life Forms

Which of the following is true of members of the phylum Cnidaria?

TLS Online TPP Program

#Question id: 8862

#Unit 9. Diversity of Life Forms

The members of which class of the phylum Cnidaria occur only as polyps?

TLS Online TPP Program

#Question id: 8863

#Unit 9. Diversity of Life Forms

Which class of the phylum Cnidaria includes ʺjelliesʺ with rounded (as opposed to boxlike) medusae? 

TLS Online TPP Program

#Question id: 8864

#Unit 9. Diversity of Life Forms

Corals are most closely related to which group?

TLS Online TPP Program

#Question id: 8886

#Unit 9. Diversity of Life Forms

Which characteristic is shared by both cnidarians and flatworms?