12 Questions
What is the main unit of life in all organisms?
Cells
Which of the following is NOT a characteristic of living things?
Inorganic composition
What is the function of the plasma membrane in a cell?
Regulates the passage of materials into and out of the cell
According to the cell theory, what are cells considered to be?
The smallest living units in organisms
What is one of the characteristics that all living organisms share?
Response to stimuli
Which principle of the cell theory states that all organisms are composed of one or more cells?
Principle 3: All organisms are composed of cells
Which of the following best describes the hierarchy of biological organization?
Atoms > Molecules > Macromolecules > Organelles > Cells > Tissues > Organs > Organ Systems > Organisms > Populations > Communities > Ecosystems > Biosphere
Which of the following statements is true about organs?
Organs are formed by the association of different types of tissues.
Which of the following best describes a population?
A group of organisms belonging to the same species in the same geographic area at the same time.
Which of the following best describes an ecosystem?
A community of organisms and their non-living environment, including their interactions.
Which of the following statements about cells is true?
Cells can only arise by division of a previously existing cell.
Which of the following structures are formed by the association of atoms and molecules?
Macromolecules
Test your understanding of the fundamental concepts of Biology from Lesson 1 with this quiz. Explore key areas of Biology such as the organization of organisms, characteristics of living systems, and the hierarchy of life's organization.
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