Question

These animals are autotrophic and were termed “oxygen factories” by Dragan et al. for their atmospheric contributions. A prayer to these animals states “Bless the coming and going of him. May His passage cleanse the world.” (15[2])Pardot Kynes determined that these animals grow from similarly named “plankton” and “trout” that also serve as its food. (-5[1])When drowned, these animals secrete a poisonous blue substance (15[1])that unlocks genetic memory, the (*) Water of Life. (10[1])The teeth of these animals can be fashioned into crysknives, and they are attracted by the use of a (10[1])thumper. (10[1])AMC Theaters sold a popcorn bucket made to look like these (10[1])creatures (10[1])to promote a 2023 sequel set on Arrakis. For 10 points, Paul Atreides learns to ride what spice-producing creatures in Dune: Part Two? ■END■

ANSWER: sandworms [accept Shai-Hulud]
<ME, Movies: Present>
= Average correct buzz position