an essential adaptation for life on land - evolution of the seed played similar role for plants * amnitoic egg also found in all birds and some mammals (monotremes) - amniotes = reptiles, birds and mammals - an embryo enclosed in a fluid-filled sac, which is in turn enclosed in a shell - shell is resistent to water loss;
(an essential adaptation for life on land - evolution of the seed; played; similar role) (an embryo enclosed in a fluid-filled sac,; is; resistent to water loss) Context(an embryo enclosed in a fluid - filled sac , is,List([208, 297))):(amnitoic egg; found; L:in all birds and some mammals) (an embryo; enclosed; L:in a fluid-filled sac) (a fluid-filled sac; is; in turn)
an embryo enclosed in a fluid - filled sac , is,List([208, 297))
an essential adaptation for life on land - evolution of the seed an embryo enclosed in a fluid-filled sac, amnitoic egg an embryo a fluid-filled sac
played is found enclosed is
similar role
resistent to water loss
L:in all birds and some mammals
L:in a fluid-filled sac
in turn