Answer:
How traits/characters were passed down and inherited from parents to offspring.
Myocardium, that's because myocardium simply means 'muscular tissue of the heart'. It is not pericardium or connective tissue as these are only small, specific areas of the heart and a heart attack can cause cells to die anywhere in the heart.
Answer:
Every hour 3 species disappear. Every day 150 species are lost.
The answer is 4, because if the ants smell the same dead smell on this particular ant in the colony, their initial reaction is to eliminate it. The chemical sprayed upon the ant acts as a stimulus for a particular behavior.
SAO TOME. IS THE ANSWER TO YOUR QUESTION.