Growth in Organisms Quiz
Studying this course? Keep your progress in one place.
Pick an answer for each. Quizzes never use energy.
5 questions, one answer each
Each answer is checked as you go, with why.
See all 5 questions
1. Which two processes together explain animal growth?
- A. Cell division and differentiation
- B. Cell elongation and differentiation
- C. Cell division and elongation
- D. Differentiation and meristem formation
2. What is the role of a meristem?
- A. Stores water
- B. Cell division occurs here to produce new cells
- C. Where differentiated cells die
- D. Transports sugars
3. Why is cell differentiation important?
- A. Increases total cell number
- B. Allows cells to develop structures for specific functions
- C. Prevents further division
- D. Increases organism size directly
4. A child's mass drops sharply across percentile lines. What does this suggest?
- A. Completely healthy and average
- B. Measurement error
- C. May indicate a growth or health problem
- D. Stopped producing new cells
5. Why do most animal cells lose differentiation ability but plant cells often don't?
- A. Animal cells are larger
- B. Plant cells lack a nucleus
- C. In animals differentiation mostly occurs early; plant cells can differentiate throughout life
- D. Animal cells only grow by elongation