Dichotomous key Vocab Flashcards
Dichotomous key
Series of question or statement sets that is used to identify organisms or objects.
Genus
Classification subdivision of a family of organisms
Organism
Living thing
Scientific name
name used by scientists that consist of an organism’s genus and species
Species
group of organisms sharing similar traits that are capable of breeding fertile offspring
Trait
Unique characteristic or quality.
Taxonomic ranks
Domain Kingdom Phylum Class Order Family Genus Species
Species concepts
Morphology - body shape, size, and other structural features
Biological species concept - a basis of whether or not the two species can intrebreed to produce fertile offspring
Phylogeny - evolutionary relationships among organisms. Do they have the same common ancestor?
6 kingdoms
Bacteria Archaea Protista Plantae Fungi Animalia
3 Domains
Bacteria
Archaea
Eukarya
Bacteriophage
kind of virus that infects bacteria.
Capsid
protein coat surrounding a virus.
Host cell
cell that is infected by a virus.
Lyse
to burst open.
Lytic cycle
the reproductive cycle of a virus in which a virus enters a cell, makes copies of itself, and causes the cell to burst.
Lysogenic cycle
viral nucleic acid inserts itself into the host
cell’s DNA. When the host cell divides, it copies the viral nucleic acid along with its own nucleic acid.
Virus
microscopic particle that can replicate only by infecting living cells.