Similarities in the early development of chickens and opossums suggest that these organisms share a __________. I need help

To determine the similarities in the early development of chickens and opossums, you can start by examining their embryonic development and evolutionary relationships. Here's a step-by-step guide to help you find the answer:

1. Understand the concept: In biology, the study of embryology focuses on the development of an organism from its earliest stages until birth or hatching. By comparing the embryonic development of different organisms, we can identify commonalities and infer relationships.

2. Research embryonic development in chickens: Find information about the early development stages of chickens by referring to scientific articles, textbooks, or educational websites. Look for details about their specific embryonic stages, key features, and significant milestones.

3. Research embryonic development in opossums: Similarly, explore the embryonic development of opossums using reputable sources. Look for information about their early developmental stages, key characteristics, and any notable similarities or differences compared to chickens.

4. Compare the findings: Analyze and compare the information you have gathered about the embryonic development of chickens and opossums. Look for shared characteristics, such as similar developmental stages, the sequence of organ formation, or common features during specific stages.

5. Draw conclusions: Based on the similarities you find, you can then deduce that chickens and opossums share a common feature or process during their early embryonic development.

Note: It is important to rely on scientific literature and reputable sources for an accurate understanding of embryonic development and to draw valid conclusions.