Explore key record holders and developmental extremes with this easy crossword puzzle designed for college students. Focuses on fastest, slowest, longest, and earliest stages in human development.
Historical Timeline Developmental Stages Crossword for ESL Learners is a hard crossword puzzle with 16 clues covering . Play it online for free below, or create your own crossword with our free crossword maker.
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Historical Timeline Developmental Stages Crossword for ESL Learners
Challenge advanced ESL learners with this hard-level crossword focused on the historical timeline of developmental stages. Explore specialized terms from embryology and growth phases in a chronological context.
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- 1. Biological process that causes an organism to develop its shape
- 2. Early embryonic phase forming three distinct germ layers
- 4. Formation of different tissues from embryonic cells
- 6. Significant developmental event or achievement in a timeline
- 7. The developmental history of an individual organism from fertilization to maturity
- 8. Process whereby an organism forms a cyst stage in development
- 12. Consisting of two phases or stages in developmental sequencing
- 14. Originating from a source other than oneself, often in grafting
Down
- 3. Single cell formed by the union of sperm and egg
- 5. Process where cells become specialized in structure and function
- 9. Formation of the neural tube during early embryonic development
- 10. Describes the stage of development involving fixed or non-motile phases
- 11. Observable characteristics resulting from genotype and environment interactions
- 13. Newly emerged organism from an egg, beginning life outside the shell
- 15. Outer layer of the early embryo that gives rise to ectoderm
- 16. Retention of juvenile features in the adult stage of an organism
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