Algae is a related term of seedling.
As nouns the difference between algae and seedling
is that algae is (alga) while seedling is (botany) a young plant grown from seed.
As an adjective seedling is
which is a seedling (see below).
algae
English
Noun
(head)
(alga)
Anagrams
*
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alga
Noun
(algae)
(biology) Any of many aquatic photosynthetic organisms, whose size ranges from a single cell to giant kelps and whose form is very diverse; some are eukaryotic and some prokaryotic; includes the seaweeds.
Usage notes
* (term) is a non-standard plural.
Hyponyms
* seaweed
seedling
English
Noun
(
en noun)
(botany) A young plant grown from seed
Any young, especially
# one grown in a nursery for transplanting
# a tree smaller than a sapling.
References
*