Answer:
✔ Xylem ** is the correct answer
Explanation:
Xylem is the water transporting tissue in plants
Gametes develop in the multicellular haploid gametophyte (from the Greek phyton, “plant”). Fertilization gives rise to a multicellular diploid sporophyte, which produces haploid spores via meiosis. This type of life cycle is called a haplodiplontic life cycle
I'm pretty sure it's high density as a solid.