The inner cell mass of the blastocyst eventually develops into the .

Which of the following tissues is NOT derived from the ectoderm?

Match the following embryonic structures with their corresponding functions or derived components:

The embryonic period is critical for the development of all major .

The accumulation of fluid in the morula leads to the formation of the .

Which of the following structures is primarily formed from neural crest cells?

Embryonic folding is essential for the establishment of the gastrointestinal tract.

By the end of the embryonic period, the neural tube forms, which will give rise to the .

The type of lipid that serves as an energy and nutrient storage molecule for cells is …

Which of the following structures can help bacteria survive harsh conditions?