Vocabulary
What are the four shapes of bacteria?
Cocci, bacilli, vibrios, and spirilla
What are saprophytes?
Decomposers that feed on the remains of organic matter.
What are parasites?
Parasites invade our body and harm it. They cause diseases.
What are bacteria?
Bacteria are microscopic living organisms usually one-celled
What is an example of an autotrophic bacteria?
Cyanobacteria
What are gut microbiota bacteria?
They live in symbiosis with our body and help it to function properly.
What do saprophytic, parasitic, and symbiotic bacteria all have in common?
They are all heterotrophs.
What is does cocci mean?
sphere shaped
What do microorganisms include?
viruses, bacteria, protists, and fungi
What is symbiosis?
they live in association with other living beings. Both organisms benefit.
What do these diseases have in common?: salmonellosis, cholera, botulism, tetanus, and cavities
Caused by parasites
What is binary fission?
Bacteria divides everything in half to create two identical daughter cells.
How do bacteria move and how do they reproduce?
They move with flagella and they reproduce through binary fission/
What food is made using bacteria?
dairy products (yogurt), vinegar, alcohol...
What type of bacteria contaminates food?
Saprophytes or decomposers. They alter foods and spoil them.
What are cyanobacteria?
They make their own food through the process of photosynthesis.
What characteristics do microorganisms share?
They are microscopic, their biological organization is simple, they perform the vital functions in a basic way, they are resistant and adaptable, and they are essential to life on Earth.
How can some bacteria be good for you?
Help your body to function properly, oxygenate the air and water, purify waste, and help make food.
How can some bacteria be bad for you?
They can cause disease and can contaminate food.