How does the form ft function in the crayfish appendages?

Why do fleas live on the fur of animals? Who are main character In butterfly revolution? What does a black hairy jumping spider with white dots on its back looks like? What are the two functions of a fleas mouth? How do insects overcome the inefficiency of their hemolymph flow in taking oxygen to their tissues? What are clams made out of? How does the click beetle get its name? Can you take cyclobenzaprine and Zoloft? What is meaning of vinoth? Why are worms called underground farmers? Is cnidaria unicellular or multicellular? Is a cougar a producer decomposer or a consumer? What insect has six legs antennae a red body group in clusters? Can there be more than one tertiary consumer in one ecosystem? Is a hovercraft a kind of dragonfly? Can a honey bees fly in the wind? What can you use to kill ticks on dairy cattle? Is there a plural form of habitat? Is stinging nettle poisonous? What are those white butterflies that you see flying everywhere?