primates

Question 1

what family are humans in?

Answer 1

primate

Question 2

what are 6 features of a primate?

Answer 2

1. long fingers, 2. binocular vision, 3. big cerebral cortex and skull, 4. strong hip bones 5. toes with nails (not claws), 6. arms that rotate around the shoulder

Question 3

binocular vision has what 2 characteristics ?

Answer 3

forward facing vision and 3d depth perception

Question 4

primates evolved into what 2 groups?

Answer 4

lemurs and anthropoids/tarsiers (about 65 million years ago)

Question 5

what was the difference between these groups?

Answer 5

lemurs were nocturnal and have snouts with big eyes. anthropoids had nostrals and broad faces

Question 6

what 2 groups did the anthropoids evolve into?

Answer 6

new world monkeys(long tails and arms) and old world monkeys (shorter tails and long arms). 45 million years ago

Question 7

what group did hominoids evolve from?

Answer 7

old world monkey about 7 million years ago

Question 8

what groups evolved from the hominoids?

Answer 8

gorillas, chimps, homos

Question 9

what 5 features did the hominoids have in common?

Answer 9

1. opposable thumb (thumb that can touch every finger) 2. big brain, 3. strong neck to carry the big brain . hip bones for walking, 5. leg bones for walking

Question 10

Is there a universally accepted theory for the hominoid tree?

Answer 10

No. Lots of confirmed species but no clear evolutionary path.

Question 11

What is special about Australopithecus?

Answer 11

1st known bipedal apes in the homo genus. 4 million years ago. better climbers than humans.

Question 12

About how many homo genus species lived among our species (sapiens)?

Answer 12

1. neanderthal, 2. erectus, 3.?