Developmental Biology Worksheet
Explore the fundamental processes of developmental biology, including cell division, differentiation, and embryonic development, for Grade 9 science students.
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Developmental Biology Worksheet
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Read each question carefully and answer to the best of your ability. Use complete sentences for short answer questions.
1. Which process is responsible for the growth of an organism and the repair of tissues?
Meiosis
Mitosis
Fertilization
Differentiation
2. What is the term for the process where unspecialized cells become specialized cells?
Apoptosis
Cleavage
Differentiation
Gastrulation
3. The fusion of male and female gametes is called .
4. The early stage of development after fertilization, where the zygote undergoes rapid cell division, is known as .
5. Briefly explain the difference between mitosis and meiosis in terms of their outcomes.
6. Describe the role of stem cells in developmental biology.
7. All cells in a multicellular organism contain the same genetic information.
True
False
8. The process of gastrulation establishes the three primary germ layers.
True
False
Match the term with its correct definition.
9. Zygote
a. The process of forming a gastrula with three germ layers
10. Gastrulation
b. A fertilized egg
11. Organogenesis
c. The formation of organs and organ systems
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