Which organ in the human body is responsible for pumping blood throughout the body?

What is the term for the movement of substances from high concentration to low concentration without energy?

What is the term for an interconnected network of food chains in an ecosystem?

Who discovered the double helix structure of DNA?

What is the deficiency disease caused by lack of Vitamin C?

Which part of the human brain is responsible for voluntary movement and higher cognitive functions?

What is the functional unit of the kidney responsible for filtration of blood?

What is the scientific study of heredity and genetic variation called?

What is the term for the sequence of feeding relationships in an ecosystem?

Which type of disease is caused by a deficiency of essential nutrients in the diet?

What is the term for the symbiotic relationship where one organism benefits and the other is neither helped nor harmed?