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Questions and Answers
What is the unifying theme that explains the unity and diversity of life?
What is the unifying theme that explains the unity and diversity of life?
- Evolution (correct)
- Regulation of internal environments
- Cellular composition
- Energy processing
What is the fundamental unit that all organisms are made up of?
What is the fundamental unit that all organisms are made up of?
- Tissues
- Cells (correct)
- Genes
- Proteins
Which scientific method step involves generating educated guesses to answer scientific questions?
Which scientific method step involves generating educated guesses to answer scientific questions?
- Pose questions
- Make observations
- Form conclusions
- Generate hypotheses (correct)
What is the approximate age of life on Earth as mentioned in the text?
What is the approximate age of life on Earth as mentioned in the text?
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What is the study of life at multiple levels of organization called?
What is the study of life at multiple levels of organization called?
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Study Notes
Unifying Theme of Life
- The unity and diversity of life are explained by evolution, which encompasses the changes in organisms over time through processes such as natural selection and genetic drift.
Fundamental Unit of Life
- All organisms are made up of cells, which serve as the basic structural and functional units of life.
Scientific Method Step
- The step in the scientific method that involves generating educated guesses is called forming hypotheses, which provide testable predictions related to scientific questions.
Age of Life on Earth
- Life on Earth is approximately 3.5 billion years old, indicating a long history of biological development and evolution.
Study of Life
- The study of life at multiple levels of organization is known as biology, which spans from molecular to ecological levels, encompassing diverse fields of study within life sciences.
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Description
Test your knowledge of fundamental concepts in biology, including cell structure, heredity, evolution, and energy processing. Explore the unifying themes that tie together the scientific study of life.
