30 points
Which of the following pieces of evolution evidence deals with similar structures in various species?
A. Vestigial Structures
B. Homologous Structures
C. Fossils
D. Similar Embryos

answer; i believe its echoic memory,it is believed to last three to four seconds; good luck

answer : haversian

[explanation: -(compact bone is organized as parallel columns, known as haversian systems, which run lengthwise down the axis of long bones. these columns are composed of lamellae, concentric rings of bone, surrounding a central channel, or haversian canal, that contains the nerves, blood vessels, and lymphatic system of the bone)]

i know can you plzz me with this question im sorry i didt answer your question i just need hel.