Members of what phylum are characterized by a diploblastic, radially symmetrical body plan and, while not having organs and organ systems, possess distinct tissues?Multiple choice question.CnidariaBryozoaPoriferaRotifera

Characteristics of the Phylum Cnidaria include;Question 7Select one:a.Possess setae, three tissue layers with neural net, radially symmetricalb.Possess tentacles, two tissue layers with mesoglea, radially symmetricalc.Possess tentacles, three tissue layers with neural net, radially symmetricald.Possess setae, two tissue layers with mesoglea, radially symmetrical

Members of the phylum Cnidaria show all of the following characteristics EXCEPTQuestion 6Select one:a.Polyp stageb.Cnidocytesc.Pseudocoelomd.Medusa stagee.Epidermis and Gastrodermis

Which of the following is true of Cnidarians?Multiple choice question.They have distinct tissues.They have organs.They have three cell layers.

Which of the following Phyla shows radial symmetry?a) Molluscab) Cnidariac) Platyhelminthesd) Chordata4. 4. Arthropods are animals witha) a segmented body, hard exoskeleton and jointed appendages.b) a limbless body composed of a series of fused ringsc) soft non-­‐segmented bodies, sometimes protected by a hard shelld) a dorsoventrally-­‐flattened body with no coelom.5. 5. Which of the following can be classed as an amniote?a) Ray-­‐finned fishb) Cartilaginous fishc) Amphibiand) Reptile6. As N (population size) approaches K (carrying capacity) for a certain population, whichof the following is predicted by the logistic equation?a) The growth rate will not change.b) The growth rate will approach zero.c) The population will increase exponentially.d) The carrying capacity of the environment will increase.

Members of this phylum are characterized by a dorsal, hollow nerve cord, a notochord, pharyngeal gill slits, and a postanal tail.Multiple choice question.MammaliaEchinodermataChordataAnnelida