True
Embryos normally develop in the uterus of the female reproductive system. The uterus provides a safe and nourishing environment for the embryo to grow and develop during gestation.
evolution from a distant common ancestor
Frogs are mostly used in research because they are the closest living relatives to man that are easy to raise in captivity and their embryos are easily handled when doing studies.
dormancy
From the mother's body, - they are inside it while they are embryos.
The One with the Embryos was created on 1998-01-15.
All chordates embryos have pharngeal slits.
The early embryos of all animals have a very similar appearance. This is no different for chicken and pig embryos.
what is the source of nourishment for developing fish embryos?
4
Embryos are frozen through a process called vitrification, where they are rapidly cooled to extremely low temperatures with the help of cryoprotectants. This method prevents the formation of ice crystals that can damage the embryos. The frozen embryos are then stored in liquid nitrogen until they are ready to be thawed for use.
Lebanon.