Rigid skeletons are formed from materials including chitin (in arthropods), calcium compounds such as calcium carbonate (in stony corals and mollusks) and silicate (for diatoms and radiolarians).
Answer:
Attachment Bond
Explanation:
Attachment Bond is defined as the bond that forms a strong relationship between a child and a primary care giver(E.g The Mother)
It is called the sensory-motor stage of a child and it takes place between the ages of 0-24months of a child.It is the age which a child experiences Object Permanence and Object Absence(Example:An infant/child at this age who is always carried by the mother will feel the absence of his mother when she is absent.By this,the child is specially bonded to his mother and tends to know when she is present/absent.It is also the age of Egocentrism.
Answer: The correct answer is : B) Oxygenated blood from the left ventricle would be sent back to the lungs instead of out to the other tissues of the body
D) Deoxygenated blood would be sent back to body tissues without getting oxygen.
Explanation: Oxygenated blood that does not enter the body turns blue, newborns who take this color are called cyanotic. The basic problems when transposition of the great arteries occurs is that oxygen-rich blood returns to the lungs and oxygen-poor blood is transported to the rest of the body.