Drag each tile to the correct box. Place the items in order from lowest to highest degree of internal organization.
stomach
digestive
system
epithelial
stomach cell
stomach lining
tissue

Which best describes red blood cells? a. they are colorless b. they protect against disease-carrying microorganisms c. they transport oxygen throughout the body d. they aid in blood clotting

What types of energy transfers and energy transportations are involved in the domino chain reaction?

In order to study genetic mutations, scientists must study genetic material. which statement describes the genetic material scientists are most likely studying? a) they study alleles that contain chromosomes, which are rna.b) they study alleles that contain genes, which are chromosomes.c) they study chromosomes that contain genes, which are dna segments.