1What name is given to the food-trapping cells of sponges?PhagocytesAmoebocytesCnidocytesChoanocytes 2All animalsare prokaryotic.are heterotrophic.have cell walls made of chitin.obtain food by absorption. 3Features unique to mammals includethe presence of hair.extended parental care of the young.being endotherms.having no egg-laying members. 4Which of the following levels of structure encompasses all the others?TissueCellOrganOrganism […]