Francesco Redi found early evidence against what idea?
Spontaneous generation
100
How many lines of defence do we have in our body?
3
100
How many main types of helpful microbes are there?
3
100
In ancient times people believed that diseases were caused by what?
Evil spirits
200
What type of microbe can only live and replicate when it is inside a host organism?
Virus
200
What disease did Robert Koch inject the mice with?
Anthrax
200
What is the second line of defence made up of?
White Blood Cells
200
What is fermentation?
When yeast changes sugars into alcohol and carbon dioxide
200
Athlete's foot is caused by which type of microbe?
Fungi
300
What shape is a coccus bacteria?
Circle
300
How did Louis Pasteur prove that microbes descended from the air?
By using a swan neck with a broth at the bottom and a pot of broth which was open. The broth that was left open was contaminated but the swan neck broth was not.
300
What are the two bodily fluids that are apart of our firt line of defence?
Stomach acids and tears
300
What do microbes in the gut do?
Produce vitamins which are absorbed by the blood
300
Microbes which cause disease are known as?
Germs
400
How do fungi reproduce?
By using spores (asexually)
400
When did Antoni Van Leeuwenhoek invent the first microscope?
1673
400
What is found in pus?
Bacteria and white blood cells
400
What do decomposers do apart from decomposing dead matter?
Recycle elements such as oxygen, hydrogen, carbon, nitrogen and phosphorus into the environment
400
Malaria is caused by what type of microbe?
Protozoa
500
How do Protozoa reproduce?
Binary-fission
500
What disease did Louis Pasteur accidentally expose chickens to, to make them resistant?
Cholera
500
What was the name of the scientist who created the first vaccine?
Edward Jenner
500
What medical drugs do fungi produce?
antibiotics
500
How many people in China died from the Black Plague?