The coelenterates are the first group of animals to have true ____________.

Keep practicing — related questions

• The unique characheristic feature of coelenterates is the presence of __________.
• The nematocysts found in coelenterates are specialised structures for __________.
• Which of the following facts about No first use (NFU) policy is/are true? 1. NATO was one of the earliest g...
• In which class of coelenterates are true jellyfish found?
• The only non-metal in first group is _________.
• Who did the first classification of elements and arranged three elements in a group?
• Consider the following statements: 1. Except mammals and reptiles, no other animal group has the unique arr...
• Which of the following statements is true for elements belonging to group II?