<span>A living organism that helps protect the body. A barrier that destroys pathogens on the outer body surface, at body openings, and on inner body linings.</span>
Answer:
O Vestigial organs show that whales may have evolved from a common ancestor shared with land-dwelling animals
Explanation:
Vestigial organs are defined as the organs which are no longer beneficial for survival.
Whales can be observed with tiny, unused hip and pelvis bones which are vestigial organs for them as they are no longer beneficial for their survival. The vestigial organs are the evidence of evolution in organisms and in whales also these vestigial organs says that whales and land-dwelling animals may have common ancestors. Later on with evolution some land-dwelling animals might move to water systems and hip and pelvis bones become vestigial organs for them which along with time decreasing in the future offspring.
Hence, the correct answer is "Vestigial organs show that whales may have evolved from a common ancestor shared with land-dwelling animals".
The deficiency of vitamin d may lead to cardiovascular disease. Heart conditions, such as those that affect your heart's muscle, valves or rhythm, also are considered forms of heart disease. This is usually referred to conditions that there is a narrowing or blocking of blood vessels that can become a heart attack, chest pain (angina) or stroke.
