Scelta multiplaWhich of the following features is characteristic of the poriferan (sponge) body plan or life history? 1397views
Scelta multiplaSome cnidarians go through both a motile stage and a sessile (attached) stage during their life cycle. The attached stage is called a(n) __________. 1362views
Scelta multiplaThe choanocyte of a sponge and the nematocyst of a cnidarian both function in __________. 1925views
Domanda del libro di testoWhich of these characteristics does not apply to cnidarians? a. are diploblastic b. possess a gastrovascular cavity with one opening c. undergo metamorphosis d. have a central nervous system1341views