Which of the following do gymnosperms and angiosperms have in common? Check all that apply. sporophyte generation gametophyte ge
neration pollination double fertilization sperm cells swim through water to reach ovule sperm cells travel through tube to reach ovule fertilization of egg cell with sperm cell produces zygote
Gymnosperms are those plants that do not have fruits and flowers and they show naked or unenclosed seeds, while angiosperms are flower-bearing plants, having flowers, and seeds enclosed in an ovary that develops from fruit.
Both gymnosperms and angiosperms show sporophyte generation and gametophyte generation, known as alternation of generation.
Both gymnosperms and angiosperms show pollination, and fertilization of egg cell with sperm to form zygote that develops into mature plant.
"Answer DThe outermost layer of old epidermal cells are sloughed off and replaced every 15 to 30 days. The sebaceous glands secrete sebum which maintains the skin pH between 3 and 5. Bacteria which metabolize sebum live as opportunistic pathogens on the skin and cause skin infections."
