14.The role of companion cells is to: a.Enable transport and communication between cell walls b.Perform the vital functions necessary for sieve-tube members, making up for their lack of organelles c.Load sugars into the sieve-tube members d.Filter substances before they enter vascular tissue 15.Which of the following statements is FALSE? 16.Monocots have ______ cotyledon(s), whilst dicots have ______ cotyledon(s). 17.Organisms that have a body cavity completelylined by mesoderm are classified as: 18.Which of the following terms is unrelated? a.Eneterocoely b.Protostome c.Radial and indeterminate d.Deuterostome
19.In ___________________, the mouth develops from the blastopore, in __________________, the anus develops from the blastopore. 20. True or False: A haploid zygote is the product of fertilization, the fusion of gametes. 21.Members from Kingdom Animalia exhibit the following cleavage pattern(s): 22.What are the main characteristics that classify invertebrates? a.Body symmetry b.Presence or absence of a body cavity c.Presence or absence of true tissue d.All of the above 23.Which of the following terms isunrelated?