EKB-Lecture 4

•An unknown species of worm has been discovered. The body is cylindrical and bilaterally symmetrical. The organism found is determined to be a male. What phylum (Platyhelminthes, Nematoda, or Annelida) is this worm most likely to belong to?

•Which of the following is not a characteristic of an organism that belongs to the Arthropoda phylum?

•Fill in the blank: An octopus (pictured) is an invertebrate, so it does not have

•Which of the following is not a typical characteristic of a flatworm (platyhelminth)?v

•Which of the following organisms belongs to the phylum Echinodermata?

•Which of the following is not a common characteristic of most organisms belonging to the Animalia kingdom?

•Which of the following organisms belongs to the phylum Mollusca?

•All living organisms classified under the phylum Arthropoda have ……….

•Which of the following organisms is known for having cnidocytes for catching prey?

•Which of the following is not a typical characteristic of a roundworm (nematode)?

•Which of the following is not a class of the Arthropoda phylum?

•One of the differences between insects and arachnids is that arachnids have eight legs, while insects have six legs. What taxonomic level or levels do they both share?

•Sea anemones belong to the phylum Cnidaria. What defining characteristics do organisms belonging to this phylum share?