Which is NOT a characteristic of all primates?

• opposable thumbs
• rotating shoulder joint
• prehensile tail
• stereoscopic vision

prehensile tail

Which of the following is not a characteristic of Australopithecus?

• they share a lineage with Genus Homo
• they had a brain size similar to modern humans
• they were bipedal
• they had a smaller jaw compared to apes

they had a brain size similar to modern humans

Of the following, which are humans most closely related to?

• chimpanzees
• orangutangs
• gibbons
• gorillas

chimpanzees

Mammals are

• therapsids
• anapsids
• synapsids
• diapsids

synapsids

The evolutionary line that led to modern humans diverged from their most related primate cousins about how many millions of years ago?

• 25
• 14
• 6
• 55

6

The Homo sapiens clade are different from their predecessors in that they

• were skilled in using tools
• exhibited exaggerated sexual dimorphism similar to apes
• still primarily lived in trees
• had similar sized brains to Australopithecus

were skilled in using tools

Which is NOT true about old world primates?

• they do not have prehensile tails
• they all live on the ground
• they have downward pointed noses
• they originated in Africa/Asia

they all live on the ground

Determining descent in human evolution is complicated because

• many hominid species lived at the same time and interbed
• we have so many different fossils to sort through and not enough time
• chimps are still evolving into humans
• all of the above are true

many hominid species lived at the same time and interbed

This clade of mammals lay leathery eggs instead of giving live birth

• Eutherians
• Marsupials
• Monotreme

Monotreme

Apocrine glands are also known as

• mammary gland
• oil glands
• sweat glands
• scent glands

scent glands