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Jaws appear to have evolved from skeletal rods that supported gill slits near the mouth.
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Which trait evolved first jaws or lung?
Yes
How can you use the word primate in a sentence?
It is believed humans evolved from primates.
Why is the number of pharyngeal gill slits in sharks fewer than that of other marine fishes?
"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.
Why does a male lion has the main on his head but a female does not?
It is believed it was evolved to protect him in a fight and to intimidate rivals.
Do mammals have jaws?
Yes mammals has jaws ,a dog has jaws lions has jaws and they are both mammals.
Why did jaws evolve invertebrates?
Jaws evolved from the gill bars on fish.
Which trait evolved first jaws or lung?
Yes
What feature of agnathans evolved into jaws in early jawed fishes?
Gill supports
Where do scientists believe plants evolved?
They believed plants evolved from prehistoric times.
What kingdom is fungus believed to have evolved from?
I liek cheese. ._.
From what is it believed land plants evolved?
Land plants are believed to have evolved from algae that came from oceans, to freshwater, to wet-dry coatlines, and developed into ferns/shrubs.
Who believed that electrons evolved around the neucleus in orbit?
Bohr
What types of animals are believed to have evolved from segmented worms?
arthropods
What is a theraspid?
A therapsid is a group of animals consisting of mammals and their ancestors. They are notable for their complex jaws and evolved teeth and their upright posture.
HIV is believed to have evolved from a similar virus found in what animal?
Gorillas.
What made Darwin important?
He believed we evolved and that we were not created by a greater being
How can you use the word primate in a sentence?
It is believed humans evolved from primates.
