Discovery Flashcards
(13 cards)
What are microorganisms often referred to as due to their size?
Microbes
The term ‘micro’ means tiny.
What conditions favor the rapid growth of microorganisms?
Large numbers and favorable conditions
Conditions such as warmth, moisture, and darkness are typically favorable.
Who is known as the father of microbiology?
Antonie van Leeuwenhoek
He studied microorganisms closely and contributed significantly to the field.
What is microbiology?
The study of microorganisms
This science emerged as microorganisms were found to be everywhere around us.
What role do decomposers play in the ecosystem?
They break down dead plants and animals
Decomposers recycle nutrients back into the soil.
What can microorganisms cause in humans?
Diseases such as flu and tuberculosis
Some microorganisms can lead to illnesses and spoilage.
Fill in the blank: Microorganisms are visible only through a _______.
microscope
What experiment can be performed to observe decomposers?
Mix soil with water and observe under a microscope
This allows us to see microorganisms that are invisible to the naked eye.
What are the two types of consumers in a food chain?
Primary consumers and secondary consumers
Primary consumers are plant-eating animals, while secondary consumers are meat-eating animals.
True or False: Microorganisms can be both beneficial and harmful.
True
What materials are needed to observe microorganisms in soil?
Soil sample, water, beaker, glass rod stirrer, dropper, slide, cover slip
These materials are essential for preparing the sample for observation.
What did scientists discover about microorganisms and food spoilage?
Microorganisms cause food to spoil
For example, they cause milk to spoil when left outside.
What type of environment do most microorganisms prefer for growth?
Dark places
Exposure to sunlight can kill many microorganisms.
