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Questions and Answers
What is the approximate age of the Earth according to the provided text?
What is the approximate age of the Earth according to the provided text?
- 3.7 billion years
- 4.6 billion years (correct)
- 0.2 billion years
- 2 million years
Which of the following is NOT mentioned in the text as a characteristic of living things?
Which of the following is NOT mentioned in the text as a characteristic of living things?
- Respire
- Nutrition
- Growth (correct)
- Excrete
Based on the text, what is the primary role of the digestive system?
Based on the text, what is the primary role of the digestive system?
- To transport oxygen throughout the body
- To break down food into usable nutrients (correct)
- To remove waste products from the body
- To generate energy for the body
According to Cell Theory, what is the fundamental building block of all living organisms?
According to Cell Theory, what is the fundamental building block of all living organisms?
When did the first complex lifeforms, those with multiple cells, likely appear on Earth?
When did the first complex lifeforms, those with multiple cells, likely appear on Earth?
Flashcards
Digestive System
Digestive System
The system responsible for extracting nutrients from food and liquid.
Age of Earth
Age of Earth
Approximately 4.6 billion years old, based on scientific estimates.
Cell Theory
Cell Theory
States that the basic unit of all living things is the cell.
First Multicellular Organisms
First Multicellular Organisms
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Response to Stimuli
Response to Stimuli
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Study Notes
Digestive System Function
- The primary function of the digestive system is to extract nutrients from food and liquid and remove waste.
Age of Earth
- The Earth is approximately 4.6 billion years old.
Basic Unit of Living Things
- The basic unit of all living things, according to cell theory, is the cell.
Multicellular Organisms' Appearance
- Multicellular organisms first appeared around 1.2 billion years ago.
Responding to Stimuli
- A characteristic of living things that involves responding to stimuli is sensing stimuli.
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