Does invertbates have a backbone

How does a shelter help a peacock survive? Who is Mrs Sumner? Do deer eat planters salted peanuts? Was the tigua tribe aggressive? What is the purpose of the upper pad on a dog's front leg? Why is a stray cat yowling loudly in the middle of the night? How can I prevent cats from peeing in my house plants? Is eggnog safe for dogs to consume? How come mariyln mccoo and billy Davis jr never had children? What are the spending habits of generation y? What are the symptoms of kennel cough and how can it be treated? Were do kawalas live? Do clown-fish live in the coral reef? How long do nightingales sleep? What are the main 9 bioms? How can you tell if an animal has a disease and could you catch it yourself if you eat? What is the lifespan of a bongo? How did the mollusca escape or protect itself from predators? Is the chickadee native to WA? Which animals live in tropical monsoon region?