Exam 1 and 2 Flashcards
Hennig is best known for which contribution to science?
idea of synapomorphy
which group has plastids that are the result of primary endosymbiosis?
embryophytes
charales
red algae
phylogenetics is the study of
evolutionary (genealogical) relationships
what type of meiosis characterizes the life cycles of humans and other animals?
gametic
prokaryotics are included in
domain bacteria and domain archaea
eukaryotic cells have
linear chromosomes
nuclear membranes
organelles
what is the correct way to write the species name for the eastern white pine
P.strobus
the substance the gives tracheary elements rigidity is called
lignin
Bryopsida is which taxonomic category
phylum
which is a clade
green algae
leaf gaps
are gaps in of the vascular tissue of the stem associated with leaf traces
water conducting cells in the true mosses are called
hydroids
cells that help to disperse liverwort spores are
elaters
the clade including only the charophycear and embryophytes is
streptophytes
a term for a lid as on the capsule of a moss sporophyte is
operculum
a protostele is
a cylinder of solid vascular tissue
_____ were early prokaryotic photosynthesizers that added oxygen to the earth’s atmosphere.
cyanobacteria
cyanobacteria are thought to be the ancestors to the ______, an organelle found in the plant cell
plastids
the process by which a host cell engulfed another cell that later became an organelle is known as
endosymbiosis
in a life cycel with ____ meiosis, the only diploid cell is the ______
zygotic
zygote
a bryophyte body that is not divided into stems and leaves is know as
thallus
a unique characteristic of the liverworts is a type of organelle called the
oil bodies
like the sporophytes of the polysporangiophytes, the sporphytes of mosses and hornworts have _______. this characteristic is a synapomorphy for the clade consisting of mossesm hornworts, and polysporangiophytes
stomata
the vascular plants are also known as the
tracheophytes