in the course of fish evolution, two of the gill slits slowly advanced into the jaws.
The evolution of fish started about 530 million years in the past at some point during the Cambrian explosion. It become during this time that the early chordates advanced the cranium and the vertebral column, main to the first craniates and vertebrates. the first fish lineages belong to the Agnatha or jawless fish.
The earliest fish, corresponding to living hagfish, developed about 550 million years in the past. Diversifications that in the end advanced in fish include an entire vertebral column, jaws, and an endoskeleton manufactured from bones in preference to cartilage. Fish live in the course of the sea and in freshwater lakes and streams.
New studies have uncovered the genetic foundation of gill covers in fish, which came about over 430 million years ago. It sheds light on one of the most essential evolutionary traits for fish, in addition to over vertebrates.
In jawless fishes, a sequence of gills opened behind the mouth, and those gills became supported by way of cartilaginous elements. the primary set of these elements surrounded the mouth to shape the jaw.
Learn more about the evolutions of fishes here: brainly.com/question/1426050
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The answer would be B!
Both presidents have the power to pass legislations, but the congress or parliament can revoke or veto those lesgislations.
Purchasing power is required in order for someone to spend money.
Purchasing power means that someone has the ability to purchase
something (a product or service). Having confidence is not enough to
allow you to purchase something. You can't walk into a store with no
money or goods to barter and walk out with the product or service. Less
disposable income is more likely to lead to less purchasing power. In
order to purchase something, you need to give up something in order to
get what you want, generally you give up money. If you don't have
something you can easily give up, like money, you have less disposable
income.
Answer:
there, now we got more comments just in caseee
Explanation:
Answer: Why did Thomas Jefferson want to purchase the Louisiana Territory? (1 point) He wanted to ensure Americans’ trade rights on the Mississippi. Eastern seaports needed more competition. The Louisiana residents would add diversity to the United States.
Explanation: yaaaaaahhhh
