Chordate pharyngeal slits appear to have functioned first as suspension-feeding devices.
1957
In Bony Fish (Osteichthyes)
The first animal to appear on a U.S. coin was the eagle, which made its debut on the reverse side of the 1792 half disme (a denomination of currency). The eagle has since become a prominent symbol on U.S. coinage.
The phase of cell division when duplicated chromosomes first appear is called the prophase. In prophase, the chromatin condenses into visible chromosomes, and the nuclear envelope breaks down, allowing the chromosomes to be more clearly visible.
"Jaws are believed to have evolved from the first pair of gill arches of agnathans. The second pair of gill arches became support structures for the jaws." - Biology Laboratory Manual, Ninth Edition Darrel S. Vodopich and Randy MooreSo, sharks have fewer gill slits because the first two pairs became the jaw and the structural support for the jaw.
Because they were one of the first companies to produce a central processing unit which was stable and functioned properly.
What year did the key first appear?
The Z1 was the first machine to be called a modern computer. It was also one of the only ones that actually functioned during the time of its creation.
The first computer functioned very quickly, by comparison with the work of people trying to perform the same calculations. However, by comparison with modern computers, the first one was painfully slow.
Freckles are inherited. They first appear in childhood and if you are going to have them, they usually all appear by your 21st birthday.
Pascal's tiangle first appear in the year 1653.
The first comedy to appear in the contents of the First Folio in 1623 was The Tempest.
The first dynamo or electric generator was invented by Michael Faraday in 1831. Although it functioned as one, it was not a pure dynamo because it lacked a commutator.
No, an earthworm is not a chordate because it has a nerve cord that does not run down the back.
Nails first appear on a child in the womb of the mother around the 2 month.
The Author Should Appear First
When did made in England first appear on ceramics