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18 Cards in this Set

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nocturnal
active at night and at rest during the day
arboreal
living in the trees
diurnal
active during the day and at rest at night
binocular vision
vision with increased depth perception from two eyes set next to each other allowing their visual fields to overlap
stereoscopic vision
complete three-dimensional vision (or depth preception) from binocular vision and nerve connections that run from each eye to both sides of the brain allowing nerve cells to integrate the images derived from each eye.
opposable
able to bring the thumb or big toe in contact with the tips of the other digits on the same hand or foot in order to grasp objects
prosimians
a subdivision within the primate order that includes lemurs, lorises, and tarsiers
anthropoids
a subdivision within the primate order that includes New World Monkeys, Old World Monkeys, and apes (including humans.)
prehensile
having the ability to grasp
brachiation
using the arms to move from branch to branch, with the body hanging suspended beneath the arms.
community
a unit of primate social organization composed of fifty or more individuals who inhabit a large geographical area together
dominance hierarchies
an observed ranking system in primate societies ordering individuals from high (alpha) to low standing corresponding to predictable behavioral interactions including domination.
grooming
the ritual cleaning of another animal's skin and fur to remove parasites and other matter
ovulation
moment when an egg released from the ovaries into the womb is receptive for fertilization
tool
an object used to facilitate some task or activity
macroevolution
evolution above the species level
speciation
the process of forming new species
cladogenesis
speciation through a branching mechanism whereby an ancestral population gives rise to two or more descendant populations