How does the form ft function in the crayfish appendages?

What is the function of the gills on a squid? Would an elephant weight more or less in space? Do termite mounds contain wood chambers and tunnels? Does a grasshopper have a backbone? What is the symmetry for the fan worm? Insects like bees moths and beetles go through a number of stages of growthWhat are the two intermediate stages between the egg stage and the adult stage? What if you stung by a yellow jacket and you start to feel dizzy? How do yellow jacket queens die? What depth transparent octopus does live? How do you make a mosquito coil using lemon grass? Why did the worm eat the road? What insects does chlordane control? Do slugs eat foxgloves? Where do you find seabiscuit shells? How can a grasshopper's exoskeleton be both an advantage and a disadvantage? Why you don't see fireflies during the day? Is a two-shelled mollusk? What type of metamorphosis do odonata have? When did the first mollusk appear? What do you do if you got stung and your arm is red and still swelling up after 16 hours?