(Question)
Q: What organism is characterized by an incomplete digestive system and a single, tentacled opening? Choices: - annelids - prokaryotes - sponges - cnidarians A:
(Answer)
cnidarians

(Question)
Q: People with red hair usually have what type of skin? Choices: - dark - oily - dry - light A:
(Answer)
light

(Question)
Q: Animals that molt their exoskeletons belong to which clade? Choices: - protists - spirogyra - trichina - ecdysozoa A:
(Answer)
ecdysozoa