How do sea cucumbers avoid predation?

What does the shape chevron look like? Which group of invertebrates is covered with pores? Which insects do farmers kill? How are echinoderms useful to humans? How many type of bees are there and their work in the beehive? How can water fleas survive in an aquatic tank without aquatic plants? What country does the wolf spider live in? Do mosses have very small flowers? Do sea cucumbers have shells? What else can you use a filofax for? What do dragonflies eat and who eats them? When do meal worms give birth? What is the simple predicate in the sentence Most of the insects are workers or soldiers? What kind of beetle does a mealworm turn into? What is the difference between parthenogenesis and hermaphroditism? What is the difference of a grasshopper and a mosquito? Examples of Insect-pollinated flowers? Do maggots wriggle? How do you know if a giant African land snail is dead? Is a beehive a habitat?