Human Body
The organ that pumps blood throughout the body.
What is the heart?
The liquid portion of blood that transports cells and dissolved substances.
What is plasma?
The organelle where photosynthesis occurs.
What is the chloroplast?
The scientist who developed the theory of natural selection.
Who is Charles Darwin?
A group of organisms of the same species living in the same area.
What is a population?
The body system responsible for transporting oxygen and nutrients.
What is the circulatory system?
The blood cells that help defend the body against pathogens.
What are white blood cells?
The gas absorbed by plants during photosynthesis.
What is carbon dioxide?
A characteristic that increases an organism's chances of survival and reproduction.
What is an adaptation?
The collection of living and nonliving components in an area.
What is an ecosystem?
The hormone that lowers blood glucose levels.
What is insulin?
The blood component responsible for clot formation.
What are platelets?
The molecule known as the cell's energy currency.
What is ATP?
The process by which individuals with favorable traits leave more offspring than others.
What is differential reproductive success?
Organisms that produce their own food and form the base of most food chains.
What are producers?
The heart chamber that pumps oxygen-rich blood to the body.
What is the left ventricle?
The protein in red blood cells that carries oxygen.
What is hemoglobin?
The organelle where most cellular respiration occurs.
What is the mitochondrion?
The source of the genetic differences that natural selection acts upon.
What is genetic variation?
A network of interconnected feeding relationships within an ecosystem.
What is a food web?
The two body systems that work together to deliver oxygen to cells and remove carbon dioxide.
What are the respiratory and circulatory systems?
The blood type often called the universal donor.
What is O negative?
The process that converts glucose into usable cellular energy.
What is cellular respiration?
The mechanism that explains how pesticide resistance can become common in a population over time.
(What is natural selection?)
The ecological effect that may occur when a top predator is removed from an ecosystem.
What is a trophic cascade?