Science Flashcards
What are organisms that can be seen only under the microscope called?
Microorganisms.
Where can microorganisms be found?
In the air, soil, water bodies, and even inside our bodies.
What percentage of the total weight of all living beings do microorganisms account for?
More than half.
Why do microorganisms exist in large numbers?
They are very hardy and can survive in various environments.
What are some environments where microorganisms can survive?
Deserts, polar regions, seas, marshes, or salt-water lakes.
How do some microorganisms survive unfavorable conditions?
They form spores and remain inactive until conditions are favorable.
What is the study of microorganisms called?
Microbiology.
What are the five major groups of microorganisms?
Algae, bacteria, fungi, protozoans, and viruses.
What are two types of microorganisms based on their function?
Helpful microorganisms and those that cause diseases.
What is a characteristic of some microorganisms related to nutrition?
Some can photosynthesize, while others are saprophytes.
