Basic biology
Evolution
Anatomy
Reproduction
Life history
100
Body temperature regulated by the organism instead of surroundings.
What is endothermy?
100
What characteristic distinguishes reptiles, birds, and mammals from amphibians?
What is an amniotic/cleidoic egg?
100
Mammals generally have two sets of teeth during their lifetime. What is this?
What is diphyodont dentition?
100
Rather than laying eggs, mammals generally give birth to live young, which is called ______.
What is viviparity?
100
The phenomenon where an unfamiliar male enters territory of many pregnant females, who then miscarry to mate with him.
What is the Bruce effect?
200
List two functions of pelage.
What are camouflage/disruptive coloration/insulation/warning?
200
What group of amniotes gave rise to modern mammals?
What is a synapsid?
200
Name the vascularized inner portion of a tooth.
What is the pulp?
200
How do marsupials compensate for a short gestation and undeveloped newborn?
What is a long lactation?
200
Life history when young are helpless, hairless, and blind at birth.
What are altricial young?
300
Desert mammals store fat reserves where?
What is in the tail?
300
What characteristic distinguishes the mammalian jaw from the reptilian jaw?
What is the dentary-squamosal jaw joint?
300
Name the three middle ear bones of mammals?
What are the malleus, incus and stapes?
300
Name two functions of the placenta during pregnancy?
What are nutrition/respiration/barrier for bacteria/hormone production?
300
Why do males sometimes commit infanticide?
What is enhanced reproductive success?
400
Name the organ that increases olfactory acuity?
What is the vomeronasal/Jacobson's organ?
400
Name the purpose of the secondary palate in mammals?
What is shunting of air through nasal passages?
400
Identify the type of tooth likely to be missing from an herbivore's dentition?
What are canines?
400
Name the hormones that increase and decrease, respectively, near birth.
What are estrogen and progesterone?
400
Which life history strategy means having large litters of babies with minimal parental care?
What is r-selection?
500
Name two ways new mammalian species have been discovered?
What is taxonomic revision/molecular biology/remote expeditions/evidence of cryptid species?
500
What happened in the Cretaceous period that led to mammalian advancement?
What is diversification of flowering plants? OR What is co-evolution of insects and plants?
500
What is the advantage of specialized dentition?
What is efficient processing of food?
500
Name two characteristics that lead to faster growth of baby mammals?
What is seasonality/hibernation/stressful conditions?
500
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?
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