A particular species of butterfly is capable of surviving and reproducing both in open grasslands and in forested habitats. However, in the forested habitats this butterfly species is outcompeted (and aggressively attacked) by a particular moth species, so the butterfly species avoids these areas and is found only in grasslands. Which of the following statements are true? Select all that apply.
a) The butterfly's realized niche includes only grasslands.
b) The butterfly's realized niche includes both grasslands and forested habitats.
c) The butterfly's fundamental niche includes only grasslands.
d) The butterfly's fundamental niche includes both grasslands and forested habitats.