LS1+(3-4)+-+4

4a identifying and explaining __how__ the physical structure/characteristic of an organism allows it to survive and __defend itself __(e.g. of a characteristic – the coloring of a fiddler crab allows it to camouflage itself in the sand and grasses of its environment so that it will be protected from predators). 4b analyzing the structures needed for survival of __populations__ of plants and animals in a __particular__ habitat/environment (e.g. populations of desert plants and animals require structures that enable them to obtain/conserve/ retain water).
 * Students demonstrate understanding of structure and function-survival requirements by…**