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 | | Since saprotrophs cannot make food for themselves, they are considered a type of heterotroph. |
 | | Animal scavengers, such as dung beetles, vultures, and a few unusual non-photosynthetic plants are also sometimes referred to as saprotrophs, but are more commonly called saprophages. |
 | | Plants that were once considered saprophytes, such as non-photosynthetic orchids and monotropes, are now known to be parasites on other plants. |
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