31. Invertebrates

Which of the following phyla contains animals that are lophotrochozoans with a mouth, anus, and true coelom?

Annelids __________.

What is a lophophore in lophotrochozoans?

During typical earthworm reproduction, __________.

Which of the following are lophotrochozoans that have a lophophore?

Which of the following is a characteristic commonly found in lophotrochozoans?

Lophotrochozoan phyla include _____.

Which of the following are distinguishing characteristics of the Lophotrochozoa clade?

Some species of rotifers undergo parthenogenesis, which means that __________.

The proglottids of a tapeworm contain an elaborate __________ system.

Leeches are members of the phylum __________ in the clade of bilaterally symmetric animals called __________.

Cephalopods are the only molluscs __________.

Which of the following groups of worms is/are completely parasitic?

Consider the following list of animals: giant squid, earthworm, largemouth bass, snail, tapeworm, coral, and starfish. The two that belong to the same phylum are the __________, and their phylum is __________.

Tapeworms are highly specialized worms that make their living as endoparasites. To which of the following phyla do the tapeworms belong?