Mammalogy Fall 1999 - Exam 1 name ID#
Muultiple Choice
- Mammals first appear in the
- The taxonomic rank between order and genus is
- According to the binomial system of nomenclature, the Aedes in Aedes vexans
refers to the
- The goal of systematic studies is to arrange animals into ___ groups
- The bones in the wing of a bird and a bat are __ structures; the wings themselves are
___ strucures.
- Members of this family feed primarilly on nectar
- Potamogale, the giant water shrew, belongs to the Family
- All members of this family are characterized by adaptations for an aquatic life
- Primitive mammals whose teeth consist of three cusps arranged in a straight line
- Marsupials most likely reached Australia by first travelling from ____ to ___
- This family occurs only on islands of the Greater Antilles.
- What extinct order of mammals occupied the gnawing-herbivore niches during the Mesozoic?
- The most diverse family of New World marsupials.
- Pigmented teeth and neurotoxic saliva occur in some members of this family
- The evolution of which of the following characters most influenced the evolution of
mammalian dentition and jaw structure.
- Living Monotremes are found in what part of the world?
- Members of this family feed primarilly on termites
- Tribosphenic molars are diagnostic for the
- Didelphidae and Caenolestidae share this feature
- This family occurs mainly on Madagascar.
Compare (i.e., tell how they are similar) and contrast (i.e., tell how they are
different) pelycosaurs, therapsids, and Mesozoic mammals for any 10 of the following
features (20 pts)
- secondary palate
- temporal fossa
- posture
- jaw articulation
- tooth replacement
- middle ear bones
- hair
- lower jaw bones
- tooth differentiation
- size
- skin glands
- growth
- respiration
- metabolism
Compare (i.e., tell how they are similar) and contrast (i.e., tell how they are
different) any four of the following pairs of terms (5 points each - 20 points total)
- paraphyletic, polyphyletic
- protocone, talonid
- quadrate, incus
- placenta in eutheria, placenta in metatheria
- tasmanian wolf, Thylacosmilus
- Neotropical zoogeographic region, Palearctic zoogeographic region
- Notioryctidae, Chrysochloridae
- Macropodidae, Vombatidae
Define and state the significance to mammalogy as discussed in lecture of any 4 of the
following. Where appropriate state what taxon (-a) the term is associated with. (5 points
each - 20 points total)
- apomorphy
- epipubic bones
- evergrowing tooth
- marking
- molecular clocks
- radiotelemetry
- selenodont
- syndactyly