Microorganisms Question Preview (ID: 39439)
Science.
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Humans are made up of ____________ tiny cells.
a) millions
b) 3,000
c) 100
d) 43
Which observation supports the claim that microorganism are helpful to ecosystems?
a) Microorganisms are too small to be seen with the naked eye.
b) Like all living things, microorganisms need water and energy.
c) Millions of microorganisms can be found in the soil.
d) Microorganisms break down plants and animals, making nutrients available.
Microorganisms can be helpful in producing ________.
a) Food and vitamins
b) Cavities
c) Infections
d) Diseases
Microorganisms can be seen with the naked eye?
a) True
b) false
c)
d)
_________ is an organism that gets energy by using dead organisms, nonliving materials, or waste as food.
a) Producer
b) Animal
c) Carnivore
d) Decomposer
What is a synonym for beneficial?
a) bad
b) Harmful
c) Helpful
d) Unfavorable
3 types of organisms we learned about are _______________________
a) amoebas, algae, nucleus
b) cytoplasm, cell membrane, chloroplast
c) decay, digest, harmful
d) amoebas, algae, bacteria
What does the word persuasive mean?
a) To convince someone to believe something through reasoning.
b) To argue with someone.
c) To tell a story.
d) To agree with someone.
___________ produce most of the oxygen you breathe!
a) amoebas
b) algae
c) bacteria
d) E. coli
What is a microorganism?
a) A disease.
b) An organism that can only be seen with a microscope.
c) A nonliving organism
d) A type of plant cell.
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