Characteristics and classification of living organisms: Flashcards
what are species?
smallest group of organisms that reproduce to produce fertile offsprings.
how are organisms classified?
characteristics and evolutionary relationships.
what is the binomial nomenclature?
system used to give every species a unique, two-part scientific name.
which are the 2 parts for binomal nomenclature?
Genus and species
Organisms are categorized into hierarchical levels such as:
kindom, family, phylum, class, species, order and genus
how is DNA used for classifying organisms?
by showing how closely related they are through their genetic code.
in what is based the genetic code? (genes)
DNA, which is organized into structures called chromosomes inside the cells of living organisms.
what do bases code for?
Bases code for amino acids, which are the building blocks of proteins.
how do you classify organisms using their features?
based on their similarities and differences in physical, genetic, and functional traits.
main features of viruses:
tiny, non-living particles made of genetic material and a protein coat