I need an explanation for both the wrong and correct answers Most cnidarians are known to produce toxins. In fact, it has been claimed that one particular species produces the most deadly of all toxins on the planet. What feature of this group most likely evolved simultaneously with the evolution of these toxins? Selected Answer: A slow-moving or sessile lifestyle in the adult Answers: Bilateral symmetry in the mobile larval forms Asexual reproduction The medusa body form A slow-moving or sessile sffestyle in the adult Dipioblastic design Question 21 0 out of 2.5 points Which of the following extremophiles might researchers most likely use as a model for the earliest organisms on Earth? Selected Answer: An archaean capable of surviving in the polar ice caps Answers: A bacterium found on another planet or moon A bacterium capable of living at extremely high salinity An archaean capable of surviving in the polar ice caps A bacterium that theives in a highly acidic environment An anaerobic archaean species??.