1.1.4 Quiz: Evidence for Evolution Fossils of a species of bird are found in layer 3. Which layer is most likely to
have organisms that lived at the same time as the bird species?
12
11
10
8
7
5
6.
3
2
A. Layer 7
B. Layer 10
Ο Ο Ο Ο
C. Layer 5
D. Layer 2

bc blah

explanation:

bc blah

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)]

blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart. as the ventricle contracts, blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs where it is oxygenated.