BIOLOGICAL EVOLUTION Flashcards

1
Q

population that consists of organisms able to breed and produce fertile and viable offspring

A

species

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2
Q

what is controversial aspect of Darwin’s theory of evolution?

A

the suggestion that one species could overtime evolve into another

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3
Q

When does specialization of species occur?

A

if subgroups of species would find itself to a radically different environment

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4
Q

these are the earliest members of the primate family hominidae

A

hominids

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5
Q

Hominid and African ape linages separated 6-8 million years ago. Therefore it is manifested that _______________________

A

Hominid struggled and evolved to different group of species due to adaptation

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6
Q

The existence of australopithecines were the introduction of what stage of human evolution?

A

Introduction to bipedalism

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7
Q

What is the greatest discovery of Homo Erectus?

A

Fire

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8
Q

Which of the following best describes the body size of a hominid.

A

Some of them are small as the mouse lemur and some were big as a male gorilla.

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9
Q

The early tools were apparently made by striking stone with another stone. This technique is called _____________.

A

Percussion flaking

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10
Q

Which of the following is the disadvantage of larger brain during the time of prehistoric evolution?

A

It requires greater metabolic energy

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11
Q

It is the earliest members of the primate family hominidae.

A

Hominids

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12
Q

Fruit eating primates have larger brains than leaf eating primates because _______________.

A

They receive more nutrients which is necessary for enlargement of capacity in memory

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13
Q

Who are the first definite hominid?

A

Austrolopithecus

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14
Q

Modern human specie with larger brain and refined posture when moving to one place to another.

A

Homo Sapiens

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14
Q

Modern human specie with larger brain and refined posture when moving to one place to another.

A

Homo Sapiens

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15
Q

contains humans, their immediate ancestors, and closed extinct relatives

A

hominid

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16
Q

hominid has 2 generas

A

austrolophitecus and homo

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17
Q

When did hominid and african age linages separate?

A

6-8 million years ago

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18
Q

when was the earliest fossil founded?

A

5.5 million years ago

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19
Q

What are the physical features of hominids?

A
  1. Body size vary enormously
  2. Brain size is same with body size
  3. performs tool making
  4. language
20
Q

Some have the average size of a mouse lemur, and some are 350 pounds of average gorilla

A

Hominids (body size vary enormously)

21
Q

3 factors to predict body size

A
  1. Time of day specie is active
  2. where it is active
  3. the kinfd of food eaten
22
Q

nocturnal primated tend to have body size that are ________

A

small

23
Q

larger animals;_________

A

more absolute energy

24
Q

larger primates;_________

A

larger brain size

25
Q

larger brain is better but?

A

larger brain requires more metabolic energy

26
Q

fruit eating primates have larger brains than _______

A

leaf eating primates

27
Q

__________ use branches and strip leaves to catch termites from the mouth shaped nets.

A

chimpanzees

28
Q

true or false: only humans have symbolic language

A

true

29
Q

_____________ abilities pushed early humans to produce sounds and actions for communication process.

A

tool making

30
Q

looking up language

A

eagle call

31
Q

climbing trees language

A

leopard call

32
Q

first defined hominids

A

austrolophiticus

33
Q

similar with canines, flat and enamaled molars and parabolic dental arcs.

A

austrolophiticus

34
Q

FULLY BIPEDAL and capable of climbing and moving in trees which is confirmed from its arm and leg length

A

austrolophiticus

35
Q

known from tanzaniia, kenya, south africa

A

homo habilis

36
Q

what are the features of a homo habilis?

A

lightly built brain case, projecting face and jaws, large front teeth, powerful muscle arm, body size (25-40 kg)

37
Q

Why were homo habilis’ tool makers?

A

because they used it mainly for hunting

38
Q

they were more intelligent and orgnanized than hominids

A

homo habilis

39
Q

homo erectus or the pithecathropus erectus (erect ape man) was discovered by?

A

eugene dubois in 1891

40
Q

Where were homo erectus evidences found?

A

Java, China, Georgia and Africa which suggests that ancestors may have moved from africa to asia.

41
Q

what did the discovery of fire by homo erectus result to?

A

it resulted to the change in their diet and eating patterns

42
Q

Features:

skull was long, low and thickly walled
skulls was pentagonal shape, formed a rounded ridge in the middle (sagitall keel)
small teeth
first to have third molars smaller than first and second mollar
jaw was lighter and thinner
SMALLER BRAIN THAN AVERAGE HUMAN, but more organized brain than austrolophiticus
Nose was projected unlike the flat nose of austrolophiticus

A

homo erectus

43
Q

Also called modern humans

A

homo sapiens

44
Q

Where did homo sapiends evolve?

A

In africa

45
Q

They have larger brains that sizes abour 1300 cubic cm and its jaws are less structured

A

homo sapiends

46
Q

____________________ is unifying force in modern biology

A

evolution

47
Q

____________ helps in creating species suitable for environment

A

natural selection