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29 Cards in this Set
- Front
- Back
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Different versions of the same gene are known as _______, which are generated by _______.
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alleles; mutation.
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Individual variations are resulted from ______ to produce a large number of _______ by the same individual.
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meiosis, gametes.
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Individual variation are the result of ______.
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sexual reproduction.
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Six basic priniciples of natural selection:
1. Individuals must _______ 2. Indiv. must be able to pass their traits to the next ______. 3. Variability must exists among _______. 4. The environment cannot support all______. 5. Individuals with favorite traits will leave more ________. 6. Indiv. with least favorite traits will_______. |
1. Reproduce
2. generation 3. individuals 4. offspring 5. more offspring 6. die out. |
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Natural selection is a process by which biological populations are changed over time as a result of the propagation of _________ that affect the capacity of the indiv. organims to ___________.
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heritable traits, survive and reproduce.
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Dos is one of the ________ of the worlf.
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subspecies
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Dog and wolf started to separate _______ years ago. Human and wolf remains have been found together as early as _________ years ago.
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150,000; 400,000
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Two dog domestication hypothesis are:
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mutual selection; human adoption.
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mutual selction proposes that early wolves approached human encampment to _______.
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scavenge.
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The early semi-domesticated wolves might have helped modern humans to: ___________ and _________.
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out-compete Neadethals; develop langauge.
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During the breeding of tame foxes in Russia, other unusual triats such as, _______ and ________, were also bred. The reduction in ________ and other homornes is likely to play a role.
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multi-colored coat; barking; adrenalin.
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Evidence of modern dogs appears about ________ years ago, and the evidence of th early dog was found _________ year ago in cave art.
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14,000; 5,000.
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All dogs are genetically differed by about 0.1%. The traits of different breeds of dog have been recently shown to due to difference in the _________ of the dogs _______.
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regulatory regions; DNA.
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There are six main classes of dogs:
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sporting, hound, terriers, working, herding, toy.
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Sulukis are the ________ mammals in a ____ mile race.
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fastest; 3
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Systema Naturae was published by _____ in 1735. Throughout his lifetime, he classified 7,700 species of ______ and 4,400 species of ______.
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Linnaeus; plants; animals
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Biological classification is also known formally as biological ______. Today over ______ million species have been classified.
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sytematics; 1.4
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Modern biological classification is based on ______ and ______.
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common descent; ancestral relationship.
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______ is a classification method similar to constructing a ______, where ancestral relationship is mapped.
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cladistic classification; family tree.
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An outmoded classification system originated with ______ at 350 BC stressed the immutability of living organisms and their arrangement from simple to complex organisms is known as ______.
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Aristotle; scala naturae.
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The great apes include four biological organisms: ______, ______, ______, and ______.
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orangutan; gorilla; chimpanzee; humans.
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Orangutans are the largest ______ animals. They are only found in ______ and ______.
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arboreal; Sumatra; Borneo
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There are ______ species of gorilla: the ______ and ______ gorillas.
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two; western; eastern.
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They are ______ dwelling with few natural predators. They are quadrupedal, using a locomotion behavior known as ______.
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ground; knuckle walking.
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Project Koko trained a female gorilla from 1 year of age to communicate with ______. Koko has a vocabulary of ______ words.
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sign language; 1,000.
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There are two species of chimpanzees: the ______ chimpanzee and the _____ chimpanzee.
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common; bonobo or the pygmy.
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Chimpanzees use ______ as an activity for developing ______ bonds.
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grooming; social
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The great ape lineage split from the ______ about 18 million years ago.
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lesser age
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______ split into the genera ______ and _____ about 6 million years ago.
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Hominini; Pan; Homo
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