The walking fern is so named because

Explanation

a. The walking fern (Asplenium rhizophyllum) is named for its unique method of vegetative propagation, which is the correct answer: It propagates vegetatively by its leaf tips. The walking fern produces new plantlets at the tips of its fronds, and as these plantlets grow, the older fronds appear to "walk" as the new growth extends outward, giving it its distinctive name. This is an interesting method of asexual reproduction in this fern species. Other options are explained below: b. It knows how to walk by itself: This is not accurate. The walking fern doesn't have the ability to move on its own. Its method of "walking" is through the propagation of plantlets at the tips of its fronds. c. Its spores are able to walk: Spores of ferns are typically dispersed by wind. While spores play a role in the reproduction of ferns, they don't "walk" in the literal sense. d. It is dispersed through the agency of walking animals: The walking fern is not primarily dispersed by walking animals. Its propagation is more closely associated with the growth of new plantlets from the tips of its fronds.