We developed Natural Earth as a convenient resource for making custom maps. Unlike other map data intended for scientific analysis or military mapping, Natural Earth is designed to meet the needs of production cartographers using a variety of software applications. Maximum flexibility is a goal. Natural Earth Vector comes in ESRI shapefile format, the de facto standard for vector geodata.
A gizzard is a sack like organ at the back of the earthworms throat. The gizzard basically chews the earthworm's food since the worm doesn't have any teeth. The crop is a thin â¦ ner organ closer to the head. The crop stores food.
term, urogenital, is used for structures in both the excretory and reproductive systems. Note: In order to see the reproductive structures you will need to cut through the pelvic girdle and spread it apart. Take care not to cut through any of the organs. On the male pig: Depending on the age of your fetal pig, the testes may not be descended