What does galling of the chains mean?

How is a quartz made? What is the relationship between hydra and mussel? What structure of the starfish body help them to obtain food? Are lice and bedbugs from the same family? How the gumamela flower is attached to the stem? What do granddaddy long legs eat? Do deer ticks have hard shells? What is the number of jellyfish in the world? Does a black widow spider shed? How do you stop swelling from ant bites? What do locust do to destroy crops? Is it true that centipede is with an s? Do wasp lay eggs? Are ants unicellular? How do Leeches eat? Where are the widest inter vertebral discs found? Why do mosquitos keep biting me? What does it mean when you see a caterpillar? Is squirming an onomatopoeia? What are the most insect resistant cattle breeds?