The presence of in bone matrix imparts limited flexibility. deformation of bone results in no change in shape. a. Collagen fibers; Elastic b. Hydroxyapatite crystals; c. Elastic Hydroxyapatite crystals;d. Plastic Collagen fibers; Plastic

Organisms are classified, or grouped into categories, based on similarities in their characteristics and/or evolutionary relationships. the study of how organisms are classified is known as

Last week i was assigned a thematic. we have groups of three but the people i was assigned with haven't been in school for days. i would appreciate if anyone can me with my thematic . i highlighted most of the important steps and i circled my thematic topic. in desperate need : ( its due on february 19

How does natural selection change thephenotypes within a population over time?