Evolution
What group of amniotes gave rise to modern mammals?
What is synapsid
The Order that contains rabbits, hares, and pikas
What is Order Lagomorpha
The possum family
What is Didelphidae
How do marsupials compensate for a short gestation and undeveloped newborn?
What is a long lactation
The phenomenon where an unfamiliar male enters territory of many pregnant females, who then miscarry to mate with him.
What is the Bruce effect
What characteristic distinguishes the mammalian jaw from the reptilian jaw?
What is the dentary-squamosal joint
The Order that contains bats
What is Order Chiroptera
The weasel, badger, and otter family
What is Mustelidae
Name two functions of the placenta during pregnancy?
What are nutrition/respiration/barrier for bacteria/hormone production? s
Life history when young are helpless, hairless, and blind at birth.
What are altricial young?
What is it allows suction to form for suckling
The Order containing dogs, cats, bears, raccoons, weasels, etc.
What is Order Carnivora
The family containing ground squirrels, chipmunks, marmots, flying squirrels, and prairie dogs
What is Sciuridae
Name two characteristics that lead to faster growth of baby mammals?
What is seasonality/hibernation/stressful conditions?
Why do males sometimes commit infanticide?
What is enhanced reproductive success?
Identify the type of tooth that is likely to be missing in herbivores
What is canines
The Order that contains even-toed and cloven hoofed mammals
What is Order Artiodactyla
The skunk family
What is Mephitidae
What does the trophoblast form?
What is the placenta
Name three ways that female mammals can manage the energetic cost of reproduction?
What is increased food intake/delayed implantation/delayed fertilization/delayed development/periodic infertility?
What is the advantage of specialized dentition
What is efficient processing of food.
The Order that contains shrews, moles, and solenodons
What is Order Soricomorpha
The family containing right whales
What is Balaenidae
Why have marsupials not evolved variable formations of their front paws (wings, hooves)
What is - the front legs need to pull the infant to the nipples.
Females recycle water during lactation by doing what?
What is they stimulate urination and defecation by the infants and they eat the products.