According to some botanists, invasive plants are the second most serious threat, after habitat loss, to native species of plants and animals and to the maintenance of biologically diverse ecosystems.
A. threat, after habitat loss, to native species of plants and animals and to the
maintenance of biologically diverse ecosystems
B. threat, after habitat loss, to native species of plants and animals and for
maintaining biologically diverse ecosystems
C. threat, after losing their habitat, to native species of plants and animals and
also to maintenance of biologically diverse ecosystems
D. threat to native species of plants and animals and for maintaining biologically
diverse ecosystems, after habitat loss
E. threat to native species of plants and animals as well as to maintaining
biologically diverse ecosystems, after losing their habitat