the womb
In the cones. In some species of conifer there are male and female trees so all the cones on each tree would be all male or all female.
archegonegiam
soma
Fetal pigs are found in a structure called a uterine horn. It is the point where the uterus and the uterine tubes meet.
in the embryonic heart
dna
this would be False
The hymen is a structure found in the human vagina; it is a remnant of the fusion between the internal reproductive organs and the involution of the external surface to create an opening. This structure is generally not found in dogs whether she has been spayed or not. The spay surgery (an ovariohysterectomy) would have very little impact on a hymen, since the vagina is not manipulated during the surgery.
cell wall
Threadworms are known to be parasites found in cows. It would eat the tissue structure of the cow and can be transmitted to humans, which can be fatal.
The cell wall is only found in plant cells. It is not found in animal cells.
Using embryonic stem cells is unethical for many people, especially if they were only created for stem cell research.