1.1
What do you call organisms that are made up of just one cell?
Unicellular
What instrument did Robert Hooke develop to help observe tiny things.
Microscope
What are microscopic organisms called?
Microbes
What system protects our bodies from pathogens?
The immune system
Viruses and bacterial infections can be prevented by __________.
Vaccines
What are the two ways organisms can grow?
Increasing cell size
Increasing number of cells
What is a strand of genetic material surrounded by a layer of protein?
Virus
Organisms that break down dead or waste materials are called ______________
Decomposers
What do antibiotics protect against?
Bacteria
What are bacteria that are no longer harmed by an antibiotic called?
Superbug or antibiotic-resistant
Organisms that get their nutrients from eating food are called ________
Consumers
The cell that gets infected by a virus is called a _______ cell.
Host
Bacteria that cause diseases are known as _________.
Pathogens
List three things in the first line of defense.
Skin, nose hairs, mucus, stomach acid, sweat.
What is it called when a person cannot get sick from exposure to a disease?
Immunity
Hunger and thirst are examples of ________ _______.
Internal stimulus
An inactive virus is called ________
dormant
What is the key difference between prokaryotic and eukaryotic cells?
Eukaryotic cells have a nucleus and prokaryotic cells do not.
What are the cells that prevent pathogens from spreading in the body called?
White blood cells.
What type of vaccine produces the strongest immune response?
Live vaccines
What are the 7 characteristics of living organisms?
Made of cells.
Reproduce.
Produce waste that needs to be excreted.
Use energy.
Consume nutrients.
Respond to stimuli.
Grow.
What are the three components (parts) of cell theory?
1. The cell is the basic unit of life
2. All living things are made up of one or more cells.
3. All new cells come from pre-existing cells.
What are two types of prokaryotic cells?
Bacteria
Archaea
When should you get vaccinated and when should you take antibiotics.
Vaccination - Before illness
Antibiotic - when you are feeling the illness
What caused superbugs?
Increased misuse of antibiotics.