Individual Worksheet
Subject: Biology
Topic: Embryonic Development
Grade/Age: Grade 8
Student's Name: ___________________________
Date: ___________________________
Instructions for the Student:
Hello! This worksheet will help you learn about the amazing process of embryonic development. Read each task carefully. Write your answers in the spaces provided or in the tables. For drawing tasks, use the boxes. Try to complete all tasks. Good luck!
Task 1. Key Terms. Match the term on the left with its correct definition on the right.
| Term | Definition |
|---|---|
| 1. Zygote | A. The process of cell division in the early embryo. |
| 2. Gastrulation | B. The hollow ball of cells stage. |
| 3. Blastula | C. The fertilized egg cell. |
| 4. Cleavage | D. The formation of the three primary germ layers. |
| 5. Germ Layers | E. The three primary tissue layers (ectoderm, mesoderm, endoderm). |
Write your answers here: 1 - ___, 2 - ___, 3 - ___, 4 - ___, 5 - ___