D. A keystone species existence keeps an ecosystem in balance.
Answer: Only the single-celled organisms of the domains Bacteria
Explanation: Only the single-celled organisms of the domains Bacteria and Archaea are classified as prokaryotes—pro means before and kary means nucleus. Animals, plants, fungi, and protists are all eukaryotes—eu means true—and are made up of eukaryotic cells.
Cervix
Janine recently had surgery on the neck, or narrow lower portion, of her uterus. Janine's surgery was performed on the cervix.
The cervix is the narrow neck-like passage that forms the lower portion of the uterus in the human female reproductive system. The cervix joins the vagina and uterus and it is mainly made up of fibromuscular tissue. The two major parts of the cervix are ectocervix and endocervix. During menstrual cycle, the cervix opens a bit to allow the passage of menstrual flow. The cervix also dilates largely to allow the passage of baby during childbirth.
I believe the strength training would be squats.
Squats are considered one of the best exercise for dancers because it train almost all functional muslces needed in the dancing moves simultaneously , allowing the dancers to develop strength in their abdominal, length, and back muscles.
Temperature, viscosity, and amount of dissolved gases
