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 ecosystemsb. threat, after habitat loss, to native species of plants and animals and for maintaining biologically diverse ecosystemsc. threat, after losing their habitat, to native species of plants and animals and also to maintenance of biologically diverse ecosystemsd. threat to native species of plants and animals and for maintaining biologically diverse ecosystems, after habitat losse. threat to native species of plants and animals as well as to maintaining biologically diverse ecosystems, after losing their habitat