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Questions and Answers
What defines growth in unicellular organisms?
What defines growth in unicellular organisms?
- The single cell gets bigger in size. (correct)
- The number of cells increases through division.
- The organism absorbs nutrients from surroundings.
- Cells specialize into different types.
How does growth happen in multicellular organisms?
How does growth happen in multicellular organisms?
- By the number of cells increasing due to cell division. (correct)
- Via mineral absorption from the soil.
- By the single cell becoming larger.
- Through the process of photosynthesis.
Which statement is true regarding the growth of bacteria?
Which statement is true regarding the growth of bacteria?
- Bacteria remain the same size throughout their life.
- Bacteria grow by increasing the size of their single cell. (correct)
- Bacteria grow by splitting into multiple cells.
- Bacteria require energy to grow through photosynthesis.
What is a difference between unicellular and multicellular growth?
What is a difference between unicellular and multicellular growth?
What happens during cell division in multicellular organisms?
What happens during cell division in multicellular organisms?
Flashcards
Unicellular Growth
Unicellular Growth
Growth in a single-celled organism by increasing the size of the cell.
Multicellular Growth
Multicellular Growth
Growth in a multi-celled organism through cell division.
Cell Division
Cell Division
Process where a cell splits to form two new cells.
Unicellular Organism
Unicellular Organism
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Multicellular Organism
Multicellular Organism
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Study Notes
Unicellular Organisms
- Unicellular organisms consist of a single cell.
- Growth involves the increase in size of this single cell.
- Example: Bacteria grow by enlarging their single cell until division.
Multicellular Organisms
- Multicellular organisms are composed of many cells.
- Growth occurs due to an increase in the number of cells through cell division (mitosis).
- Each cell divides to form more cells, leading to organismal growth.
- Example: In humans, cell division enables growth from a baby to an adult.
Growth Differences
- Unicellular: Growth is the enlargement of the single cell.
- Multicellular: Growth involves the generation of more cells to make the organism larger.
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