Answer;
Primitive streak.
At the onset of the embryonic period, the primitive streak appears. It will eventually become the neural tube.
Explanation;
The primitive streak is a transient structure which forms on day 15 of human development.
It marks the start of gastrulation; the process in which the inner cell mass in converted into the trilaminar embryonic disc.
It originates from the anterior epiblast.
Answer:
Connective tissue
Explanation:
Bone tissue is a type of dense connective tissue.
Hope this helps you!
The answer is ribosomes. Ribosomes produce proteins for the cell.