Any variation that can help an organism survive in its environment is called a(n): Answer Choices:
-survival toolkit
-homologous structure
-adaptation
-mutation
-differentiation
-vestigial structure

adaptation is the answer

the correct answer is: d. the saltine and pretzel are made of flour, yeast, and baking soda, and salt. the pecan contains no flour but it does contain fats. the pecan is a nut that can be consumed as a healthy snack. first of all, pecans are a source of fat (monounsaturated fat), but they provide less fat than some other nuts. pecans are a rich source of dietary fiber, manganese magnesium, phosphorus, thiamin, vitamin e…