Disease Hazards
What is the term for organisms that can cause diseases in living organisms?
What are pathogens?
Living components of an environment, such as plants and animals, are known as these.
What are biotic factors?
The process by which species change over time through natural selection.
What is evolution?
This layer of sedimentary rock helps scientists study Earth’s history.
What are rock strata?
The layer of water on Earth's surface, including oceans, rivers, and lakes.
What is the hydrosphere?
This type of disease is caused by bacteria, viruses, or fungi.
What is an infectious disease?
Non-living components, like temperature and water, that affect organisms.
What are abiotic factors?
Fossils provide evidence of this process that occurs over millions of years.
What is species evolution?
The remains of prehistoric organisms preserved in rock.
What are fossils?
This is a body of water where saltwater mixes with freshwater.
What is an estuary?
A common agent that spreads diseases, especially through contaminated food and water.
What is bacteria?
The relationship where one organism benefits while the other is harmed.
What is parasitism?
The scientist who developed the theory of natural selection.
Who is Charles Darwin?
The supercontinent that existed around 250 million years ago.
What is Pangaea?
The term for the movement of water between the atmosphere, land, and oceans.
What is the water cycle?
The term for diseases that can be passed from one person to another.
What are communicable diseases?
This term describes a mutually beneficial relationship between two organisms.
What is mutualism?
This type of evolution occurs when unrelated species develop similar traits.
What is convergent evolution?
This type of fossil shows evidence of ancient organisms' activities, like footprints.
What are trace fossils?
Oceans cover approximately this percentage of Earth's surface.
What is 71%?
This viral disease affects the respiratory system and is spread through airborne droplets.
What is influenza?
The term for an organism's role or "job" in its ecosystem.
What is a niche?
The preserved remains or traces of ancient life forms.
What are fossils?
The term for changes in Earth’s surface over long periods due to natural processes.
What is geological change?
The process by which humans can impact freshwater resources through pollution.
What is contamination?