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36 Cards in this Set

  • Front
  • Back
The act of combining DNA from two parents into a single cell is known as
reproduction
molecules and structures that detect stimuli are called
receptors
what is the smallest unit of life
cell
similar organisms living in groups are dfined as
populations
development is guided by
DNA
organisms use ________ to maintain homeostasis and growth
ATP
which of the following are producers
Eubacteria, plantae, fungi, archaebacteria
if the form of a trait improves the chances for solving and reproducing in a given environment it is an ______ trait
adaptive
you have some number of trats that also your great grandfather had

this is an example of
inheritance
for many years in a row, a dairy farmer allowed his best cows to mate. over enerations milk production of milk went up. this is an example of
artificial selection
a _________ is any observable property of an organism
trait
the study of heredity
genetics
what are the four nitrogeneous bases of DNA
adenine
guanine
thymine
cytosine
proteins are composed of micromolecules called
amino acids
someone who doesn't think that smokng, drugs, drinking does not cause birth defects
hereditarianism
when examining a group of cows living together at the farm a ________ _________ would study how migration, herd size, and naturally selected traits influence genetic variation
population genetisist
what is cows, pigs, horses, chickens, and farmers living together defined as
a community
what is the capacity of cells to extract energy from sources in their environment
nutrient cycling
what is occuring when the internal environment of an organism is being maintained within tolerable limits
homeostasis
recepters detect energy in a specific form known as
stimuli
all the farm animals, the farmers, the funky smell, and the hot sun is defined as
an ecosystem
which type of genetics studies the transfer of genes from parents to offspring
transmission genetics
all of the earth, which contains life, is called
biosphere
the capacity to evolve is based on variations in heritable traits, which originally arise through
mutation
DNA molecules
*contain instructions for traits
*undergo mutation
*transmitted from parents to offspring
DNA is 2 strands twisted in a
double helix
who showed that traits are passed through inheritance?
mendel
the attempt to improve human species by selective breeding is known as
eugenics
which type of genetics uses recombinant DNA technology to identify, isolate, clone, and analyze genes?
molecular genetics
who are the four scientists responsible for discovering DNA?
Watson, Crick, Wilkins, Franklin
DNA stands for
deoxyribonucleic acid
a ________ is used to trace patterns of inheritance in human families
pedigree
when visiting a cytogenetisist a _________ is used to reveal abnormalities in chromosomes
karyotype
eugeneicists like Galton coined the term _________
miscongenation
The fungi growing on a rotting log is an example of a _________
decomposer
when a scientist is examiningthe eating patterns of snkes throughout Michigan and only examines snakes n the upper Peninsula, it is fair to say that the scientist has made a __________ _________
sampling error