Answer:
The correct answer would be C, abdominal.
Explanation:
This is true because the pelvic cavity is protected by the pelvis, the cranial cavity is protected by the skull, the spinal cavity is protected by the skull as well as the vertebral column, and the thoracic cavity is protected by the rib cage. Leaving the abdomen the only body cavity not being protected by some sort of bone.
I hope this helps! :)
Answer: it grows a tube to travel down to the ovary
Explanation:
As a result of pollination, pollen grain lands on the sigma of the pistil or carpel. On the stigma pollen grain begins to germinate and grows a long pollen tube. The pollen tube grows longer and makes its way from the stigma, down the style and reaches to the ovary. Pollen tube carries two male gametes or sex cells. One male gamete fertilize the egg cell to produce zygote and the gamete fuses with polar nuclei to form primary endosperm cell.
Spinder fiber cells all go onto the opposite side or poles of the cells
I believe the answer to this question is D, I am not sure though.
Often, we can cause the exchange of electrons, which creates charge.
For example, rubbing a rubber comb with a wool cloth will create charge on the comb, and it will attract small bits of paper.