Cells
Controls what enters and leaves the cell.
What is the cell membrane?
The shape of the DNA molecule.
What is a double helix?
All the living and nonliving things in an area.
What is an ecosystem?
Includes the heart and blood vessels.
What is the circulatory system?
An organism that no longer lives on earth is this.
What is extinct?
This organelle is known as the powerhouse of the cell.
What is mitochondria?
Who is Gregor Mendel?
In a food chain, this type of organism is usually a producer.
What is a plant?
Defends the body against pathogens.
What is the immune system?
Energy in motion.
What is kinetic energy?
This is missing in a prokaryotic cell.
What is a nucleus?
The tool scientists use to predict the traits of offspring.
Name one way humans negatively impact biodiversity.
What is hunting, deforestation, pollution?
Includes the brain, spinal cord, and nerves.
What is the nervous system?
Having a tendency to repel water.
What is hydrophobic?
Responsible for photosynthesis.
What is the chloroplast?
The amount of chromosomes humans have in most body cells.
What are 46 (23 pairs)?
Animals that eat other organisms.
What are consumers?
Organ that filters waste from the blood.
What is the kidneys?
The scale used to show acidity.
What is the pH scale?
Provides support and protection in plants.
What is the cell wall?
What we call the physical traits that an organism shows.
What is a phenotype?
What is the Sun?
Name of the small air sacs in the lungs.
What are alveoli?
A bond where electrons are shared.
What is a covalent bond?