Sexual dimorphism
What is the name of the supercontinent prior to the continental drift
Pangea
The term for animals that primarily reside in trees
Arboreal
The term for an animal that is active primarily in twilight (sunrise and sunset)
How do you distinguish juvenile vs adult quail?
Buffy tips on the primary coverts
Reproduction by eggs that hatch outside of the body
Oviparous
The independent evolution of similar traits or features in different, distantly related species
convergent evolution
The term for the capability to grasp (ex: opposum tail)
Prehensile
The term for animals that are active primarily during the daytime from dawn to dusk
Dinural
What is dorsal part of a turtle's shell called?
Carapace.
The ventral section is the plastron
The term in population dynamics for the reproductive capacity of an individual or population
Fecundity
Principle in which individuals in colder, high latitude environments tend to be larger than those in warmer, low latitude climates
Bergmanns rule
Organisms that feed on blood for nutrients (ex: mosquitoes, ticks, vampire bats)
Hematophagous
An association between two organisms in which one benefits and the other is neither benefitted or harmed
Commensalism
What is the posterior most chamber of the digestive tract on birds called?
The cloaca
Mating system in which one female mates with multiple males
Polyandry
An evolutionary process where large animals on isolated landmasses (islands, caves, etc.) become significantly smaller over generation due to limited food, space, and reduced predators
Insular (island) dwarfism
What is the technical term for arm swinging used mainly in monkey species for arboreal locomotion
Brachiation
The instinct in some animals to migrate vast distances from where they grew up and then to return as adults to their specific birthplace
Natal homing
What feathers are responsible for providing thrust in flight?
Primaries
An organism that reproduces only once in its lifetime, investing all its energy into a single reproductive event, after which it dies (salmon, ocotpuses, etc.)
Semelparous
(animals that reproduce multiple times are iteroparous)
An evolutionary trend where small animals on isolated islands evolve to be much larger than their mainland relatives, due to absence of predators, reduced compeition, and abundant resources
Insular (island) gigantism
The term for winter dormancy in reptiles and amphibians (ectotherms)
Different from hibernation in mammals. Hibernation is a continous sleep meanwhile in reptiles the animal remains somwhat aware and responsive
Brumation
The term for animals that live and interact in groups, flocks, herds, or colonies
Gregarious
What is the name of the pair of teeth present in members of carnivora?
Carnissial pair