1. Which region of the US is top in production of perch, striped bass, and tilapia? Western
Tropical & Subtropical
North Central
Southern
Northeastern

one characteristic that is shared by all is a soft body. many

of these invertebrate animals also have an outer shell to protect their

body. oysters, clams, snails, and mussels are all mollusks. so are octopuses, squids, and slugs. mollusks live on land and in freshwater.

answer:

sequence 1- deletion

                  2- duplication

                  3- insertion

                  4- substitute

                  5- inversion

answer; the tunica intima also called tunica interna, consists of elastic fibers,connective tissue and smooth muscle cells;