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Yes all primates have a closed postorbital bar.
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∙ 11y ago
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What is the ring of bone that closes the lateral orbital margin in primates?
postorbital bar
What trait do all primates share becides a postorbital bar?
A clavicle, opposable pollex (thumbs), and forward-facing eyes.
When was Wertelka's Bar in Chicago closed?
It isn't closed.
Which of these would a paleontologist be most likely to do in order to determine whether a fossil represents a reptile or a mammal?
If this fossil had a skull, a paleontologist could look for fenestrae (openings). A mammal has one fenestra, beneath the postorbital and squamosal bones. A lizard also has one fenestra, but it is above the postorbital and squamosal bones. Testudine reptiles (turtles and relatives) and snakes have no fenestrae, while the rest of the reptiles have two: one above the postorbital and squamosal bones and one below.
What is the difference between primates and chimpanzees?
All chimpanzees are primates but not all primates are chimpanzees. Humans, for instance, are primates.
Why are all primates mammals?
If you mean "Are all mammals primates?" then the answer is no. Primates are a type of mammal. All primates are mammals. Not all mammals are primates. For example, cats, dogs, bears, rodents... these are all mammals, but not primates.
Do primates have thumbs?
yes, all and only primates primates have thumbs
Are dogs primates?
No!! Dogs are Canines, not primates.
Which animal has no nails?
Primates
What is a sentence for the word primates?
Stop acting like a bunch of primates! Aren't gorillas primates?
What group does a monkey fit into?
A group of monkeys is called a troop.Monkeys are in the taxonomic order Primates(primates), suborder Haplorhini ("dry-nosed").
Are placental mammals and primates are same?
No. Primates are a group of placental mammals, but there are many placental mammals that are not primates.
