They are serially repeated in the segments of the body. has programmed cell death and therefore is useful in cancer and AIDS research.
1.) Animal Eats Plant
2.) Animal Takes A Huge Dump
3.) Huge Dump is actually Fertilizer
4.) Fertilizer Grow Plant
5.) Repeat.
Mufasa! <em>*Shiver*</em>
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:
C
Explanation:
herp derp herp derp herp derp
