As ecologist Henry Howe conceded in 1986, plants have an ancient and uneasy relationship with vertebrate animals which eat their fruits, and either digest or disperse their seeds. . . .
(ecologist Henry Howe; conceded; T:in 1986) (plants; have; an ancient and uneasy relationship with vertebrate animals) (vertebrate animals; eat; their fruits)
ecologist Henry Howe plants vertebrate animals
conceded have eat
T:in 1986
an ancient and uneasy relationship with vertebrate animals
their fruits