객관식
Which of the following characteristics is common among all protists?
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27. Protists
Introduction to Protists
객관식
How can a paramecium carry out all of life's functions?
A
By absorbing nutrients directly from the environment without any organelles
B
By using specialized organelles within its single cell
C
By relying on symbiotic relationships with other organisms
D
By forming multicellular colonies
검증된 단계별 안내1
Understand that a paramecium is a single-celled organism, which means it must carry out all life functions within one cell.
Recognize that paramecia have specialized organelles that perform various functions necessary for survival, such as feeding, movement, and reproduction.
Identify key organelles in a paramecium: the cilia for movement and feeding, the contractile vacuole for osmoregulation, and the nucleus for genetic control.
Learn how these organelles work together: cilia help in capturing food particles, the contractile vacuole expels excess water, and the nucleus regulates cell activities.
Conclude that the presence of these specialized organelles allows the paramecium to efficiently perform all necessary life functions within its single cell.
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