NUR2513 MATERNAL CHILD EXAM 3
NEWEST 2025/2026 COMPLETE
QUESTIONS AND CORRECT DETAILED
ANSWERS (VERIFIED ANSWERS)
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Systematics - . . ANSWER ✔ ✔A scientific discipline
focused on classifying organisms and determining their
evolutionary relationships.
Taxonomy - . . ANSWER ✔ ✔The scientific study of how
living things are classified
sister taxa - . . ANSWER ✔ ✔Groups of organisms that
share an immediate common ancestor and hence are each
other's closest relatives.
basal taxa - . . ANSWER ✔ ✔a lineage that diverges early
in the history of a group
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types of data for phylogenies - . . ANSWER ✔
✔morphological, molecular, behavioral, biographical,
Karyotypes, etcoparasites
Taxon - . . ANSWER ✔ ✔a group of organisms in a
classification system
natural taxon - . . ANSWER ✔ ✔a group of organisms that
exists in nature as a result of evolution
artificial taxon - . . ANSWER ✔ ✔A group of organisms
not corresponding to an actual unit of evolution.
ingroup, sister group, outgroup - . . ANSWER ✔
✔ingroup= group under study, sister group = most
genealogically related to ingroup, outgroup = used in
analysis not part of taxon under study
evolutionary novelty - . . ANSWER ✔ ✔an inherited
change from a previously existing character
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homologue - . . ANSWER ✔ ✔same character found in
ancestor of two taxas,
plesiomorphic - . . ANSWER ✔ ✔ancestral characteristic
apomorphic - . . ANSWER ✔ ✔descendent character
orthologous genes - . . ANSWER ✔ ✔similar gene
different species
paralogous - . . ANSWER ✔ ✔gene copies in the same
species
cell wall - . . ANSWER ✔ ✔strong, supporting layer
around the cell membrane in some cells
Flagella - . . ANSWER ✔ ✔whiplike tails found in one-
celled organisms to aid in movement
plasmid - . . ANSWER ✔ ✔small, circular piece of DNA
located in the cytoplasm of many bacteria
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endospores - . . ANSWER ✔ ✔A resistant, dormant
structure formed inside of some bacteria that can
withstand adverse conditions
Fimbriae - . . ANSWER ✔ ✔finger or fringe like
projections at the end of the fallopian tubes
Hetertrophic - . . ANSWER ✔ ✔can not make their own
food
autotrophic - . . ANSWER ✔ ✔Organisms that make their
own food
Photoautotrophs - . . ANSWER ✔ ✔Organisms that use
light as a source of energy to synthesize organic
substances.
obligate anaerobes - . . ANSWER ✔ ✔organisms that
cannot live where molecular oxygen is present