Fact 1: Most fungi get organic compounds from dead organisms. Fact 2: Shelf fungi are often found on dead and decaying trees. Given the two facts above, where do some fungi live?

Available choices:
(1). more abundant.
(2). important habitats.
(3). swamp vegetation.
(4). epidermis and dermis.
(5). loose soil.
(6). our planet.
(7). alveoli.
(8). decaying trees.
The answer is:
(8).