Examlex
Match each definition in the first column to the correct term in the second column.
-A genetic trait that helps an organism survive and reproduce in its environment.
Q2: The walls of these structures break down
Q3: The law is often based on imprecisely
Q16: Parathyroid hormone causes the blood calcium level
Q21: The condition in which walls of the
Q22: This digestive organ absorbs water from indigestible
Q42: The tempo of the heartbeat is set
Q43: Neutrophils engulf microbes by phagocytosis to fight
Q47: When the result of two hormones working
Q59: A child is born with a hole
Q61: The organs of the respiratory system that