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type of tree that loses its leaves during periods of drought or harsh
weather (e.g. a maple tree losing its leaves each fall) (Campbell and Reece
"toe walking," in which the metatarsals/metacarpals contact the ground
(like a person on tiptoe). Used by e.g. dogs and cats (Damman et al.
dark stripe running from the withers to the base of the tail (Clutton-Brock
biome dominated by grasses
hh (hands high):
unit of measutring horses, from the ground to the withers. One hand is equal
to to 4 inches (~10 cm) (Clutton-Brock 1992)
"straight-line evolution," where there is a single, linear path from ancestor
to descendant, with no side branches (MacFadden 1994)
type of tropical grassland with spaced-out individual trees and
distinct seasons (Campbell and Reece 2002)
hoofed animals (MacFadden 1994)
walking," in which the tonails contact the ground (like a ballet dancer).
Used by e.g. horses and deer (Damman et al. 2005)