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Biology 1102
Test 2
52
History
Undergraduate 2
03/01/2009

Additional History Flashcards

 


 

Cards

Term
Dinosaurs lived during what era?
Definition
mesozoic era
Term
The era for mammals and flowering plants is called?
Definition
cenozoic era
Term
Human tail bone is a example of what time of evidence for evolution?
Definition
anatomical
Term
Same triplet DNA code in all organisms is an example of _____ evidence for evolutin?
Definition
biochemical
Term
The absence of rabbits in South America is an example of _______ evidence for evolution?
Definition
biogeographical
Term
The presence of gill pouches in all verterbrates is an example of__________ evidence for evolution?
Definition
embryological
Term
_____ explains why coastlines of several continents are mirror images of each other?
Definition
continental drift
Term
If the frequency of a dominant gene is 80%, what is the frequency of the recessive gene in the population?
Definition
20%
Term
The majority of fossils are embedded in ___ rocks?
Definition
sedimentary
Term
Leg of a man and fin of a dolphin have similar anatomy but different function. This is a example of ___?
Definition
homology
Term
The movement of alleles between by migration is called?
Definition
gene flow
Term
If the genitalia are unsuitable to one another, the reproductive isolating mechanism is called?
Definition
mechanical-isolation
Term
According to _____ model, evolution occured very slowly and gradually.
Definition
Gradualist
Term
When a tiger and a lion mate, they produce an offspring called tiglon are often weak and unhealthy. What kind of barrier is this?
Definition
Hybrid breakdown
Term
When fruit flies of 2 particular species are crossed in a lab the offspring is sterile. What kind of barrier is this?
Definition
Hybrid sterility
Term
Blackjack oaks grows in dry woodlands and scrub oask grows in dry rocky areas. Pollon of one species seldom pollinate the other. What kind of barrier is this?
Definition
Habitat Isolation
Term
A flower has 18 chromosomes. Non disjunction occurs and diploid gametes are formed. What is this called?
Definition
polyploidy
Term
According to the ______ model, evolution occurs in spurts. Species evolve relatively rapidly then remain unchanged for long periods.
Definition
punctuate equilibrum
Term
Sympatric speciation?
Definition
new species arise within same georgraphic area
Term
Bullock's oriole and the Baltimore oriole are closely related but are they the same species? How can you find out?
Definition
Can they mate and produce viable offspring
Term
Why can prokaryotes adapt to changes in the environment by the means of mutation alone?
Definition
short lifespans
Term
In evolutionary terms, an organisms fitness is measured by?
Definition
how well it can pass on its genes to the next generation.
Term
Southern land mass produced when Pangea broke up is called?
Definition
Gondwana
Term
When plates move past each other they cause?
Definition
earthquakes
Term
When plates move toward each other they cause?
Definition
volcanoes and mountain building
Term
In whagt era, organisms moved from water to land?
Definition
Paleozoic era
Term
First life forms were seen in what era?
Definition
precambrian era
Term
Whaf evidence most strongly suggests that an impact by an asteriod may have caused the extinction of dinosaurs?
Definition
presence of Iridium in those rock layers
Term
What equation is used in Hardy-Weinberg law?
Definition
p2 + q2 +2pq= 1
Term
__________ provides the raw material for evolutionary change?
Definition
Natural selection
Term
Inbreeding is a example of ____________ which violates the Hardy Veinburg law.
Definition
non-random mating
Term
First bacteria had what kind of nucleic acid?
Definition
RNA
Term
Insulin
Definition
pancreas
Term
glucagon
Definition
pancreas
Term
calcitonin
Definition
thyroid
Term
prolactin
Definition
pituitary
Term
luteinizing
Definition
pituitary
Term
estrogen
Definition
ovaries
Term
epinephrine
Definition
adrenal
Term
testastrone
Definition
testes
Term
antidiuretic
Definition
pituitary
Term
progestrone
Definition
ovaries
Term
oxytocin
Definition
pituitary
Term
Stimulates milk secrections by the mammary glands?
Definition
prolactin
Term
promotes maleness
Definition
testastrone
Term
promotes development of breasts in females during puberty
Definition
estrogen
Term
Regulates sugar intake by the cells of the body
Definition
insulin
Term
helps regulate the amount of calcium in the blood
Definition
calcitonin
Term
aids in increasing blood sugar if it falls too low
Definition
glucagon
Term
aids in decreasing body loss from the body
Definition
calcitonin
Term
aids in decreasing body loss from the body
Definition
calcitonin
Term
helps to maintain the uterus
Definition
oxytocin
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