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what is a populationa population is a set of individuals of the similar species found in a given place in a given
what is a species a species is a set of living beings able to cross between themselves generating fertile offspringthis method though does not apply
what is ecologyecology is the field of biology that studies the relationship among living beings and among living beings and the
who was charles darwincharles darwin was an english naturalist born in 1809 and considered the father of the theory of evolution at the end of the
what is lamarckismlamarckism is the theory that unites the law of use and disuse with the law of the transmission of acquired characteristics ie that
what is meant by the law of use and disuse and by the law of the transmission of acquired characteristicsaccording to the law of use and disuse the
how does the study of fossils strengthen the theory of evolutionthe study of fossils reveals ancient and extinct species having many same structures
in the scientific competition against fixism what are the main arguments that favor evolutionismthe major arguments in favor of evolutionism are
what is fixismfixism is the theory about the diversity of life on earth that affirms that the current existent species were identical to species of
what is the main theory opposed to evolution the major theory that opposes the evolution theory on the description of how species emerged
what is the problem that the theory of evolution and its rival theories try to solvethe problem that the theory of evolution or simply evolution and
how can coacervates be formed of phospholipids or polypeptidesphospholipids are amphipathic molecules ie they present a polar portion and a nonpolar
what are coacervatescoarcervates are small structures made of the aggregation of organic molecules under water solution by electrical attraction the
what are the main constituents of the earths atmosphere in our timethe present atmosphere of the earth is constituted mostly of molecular nitrogen n2
before the emergence of life of what gases was the earths primitive atmosphere constitutedthe earths primitive atmosphere was basically produced of
what is the autotrophic hypothesis on the origin of life the autotrophic hypothesis on the origin of life asserts that the first living beings on
what is the spontaneous generation hypothesisthe spontaneous generation hypothesys or abiogenesis asserts that life on earth has come from nonliving
what is the main moral problem about the cloning of human individualsbesides biological perils a very serious moral problem includes the nucleus
why are the recombinant dna technology and the nucleus transplantation technology still dangerousthe recombinant dna technology and the nucleus
what is the fact of molecular biology on which dna fingerprint is baseddna fingerprint the method of individual identification using dna is based on
what is pcr how does pcr workspcr polymerase chain reaction is a process to synthesize many copies of exact regions of a dna molecule known as
what is cloningcloning is the making of an organism genetically the same to another by means of genetic engineeringthe basis of cloning is the
what are plasmidsplasmids are circular dna molecules there in the genetic material of some bacteria they might be containing genes responsible for
what are dna ligases how do these enzymes participate in the recombinant dna technologydna ligases are enzymes specialized in tying the complementary
at the present level of the biotechnology what are the main techniques of genetic engineeringthe main methods of genetic engineering today are the