What is a hypothesis.
One-celled organisms.
What are bacteria?
Bacteria that make their own food.
What are producers?
Capital of Egypt.
What is Cairo?
The standard of comparison in an experiment.
What is a control.
Storage organelles for food, water, and wastes.
What are vacuoles?
Poisons made by some bacterial pathogens.
What are toxins?
Capital of Jordan.
What is Amman?
The smallest unit of an organism that carries on the functions of life.
What is a cell.
A gelatinlike substance containing many chemicals the cell needs.
What is a cytoplasm?
Bacteria that cause disease.
What are pathogens?
Capital of Iraq.
What is Baghdad?
The theory that living things can only come from other living things.
What is biogenesis?
These cells have many long branches to send and receive messages.
What are nerve cells?
A process of limited heating which can kill most harmful bacteria in food.
What is pasteurization?
Capital of Saudi Arabia.
What is Riyadh?
The maintenance of steady conditions inside an organism.
What is homeostasis?
Cells that contain hereditary information within a nucleus.
What are eukaryotic cells?
These use dead organisms as food and energy, thus recycling nutrients for use by other organisms.
What are saprophytes?
An overabundance of cyanobacteria produces this, which can be harmful to aquatic life.
What is a bloom?
Capital of Libya.
What is Tripoli?