Which vitamin is essential for proper blood clotting in the human body?

What is the term for a species introduced to a new environment that causes ecological harm?

What is the term for the division of the cell nucleus that results in two genetically identical daughter cells?

Which structure in the cell is responsible for protein synthesis?

Which organ system includes the lungs and is responsible for gas exchange?

What is the term for the sum of all chemical reactions occurring within an organism?

What is the term for a genetically determined characteristic passed from parent to offspring?

Which blood vessel type has the thinnest walls, allowing exchange of substances with tissues?

Which structure allows gas exchange in plant leaves?

What is the term for an organism capable of living both on land and in water?

Which human body system removes metabolic waste products from the blood?