Choose the one alternative that best completes the statement
Choose the one alternative that best completes the statement or answers the question. Reproduction in at least some sponges is asexual by budding. asexual by fragmentation. asexual by gemmules. sexual with both male and female sex cells in one individual. All of the choices are correct Which of the following associations of cubozoan traits is NOT correct? Velarium-where the subumbrellar edge turns inward Pedalium-a flat, tough blade at the base of each tentacle Medusae-in cross section, almost square Ephyrae a major stage of cubozoans between polyps and medusa None of the choices is correct The order in which a drop of ink would pass by the structures in an ascon sponge is osculum-spongocoel-ostia osculum-ostia-spongocoel. ostia spongocoel-osculum. ostia osculum-spongocoel. spongocoel-ostia-osculum. The region used for attachment of a tapeworm is called the scolex. proglottid. sporocyst. cercaria. hydatid. \"Amietic\" eggs would be fertile but not develop. be haploid and only develop if fertilized. lack yolk. be diploid and develop without fertilization. Which of the following is NOT acnidarian? Sea anemones Planaria. Portuguese man-of-war Hydrozoa Corals Cells responsible for water flow and capture of some particles are the choanocytes. archaeocytes. myocytes. lophocytes. pinacocytes.
Solution
1. The answer is E. All of the choices are correct.
2. The answer is A. Velarium
3. The answer is C. Ostia > spongocoel > osculum
4. The answer is A. Scolex
5. The answer is D. Be diploid and develop without fertilization
6. The answer is B. Planaria
7. The answer is A. Choanocytes
