Algae are autotrophs, which means they produce their own food.
heterotrophic
autotroph
both autotroph and heterotroph/ the plant body of a lichen is generally made by algae hence Lichens are autotroph.
sargassum is a autotrophic brown algae
A crab is a heterotroph, being a scavenger it feeds mainly on dead matter and algae.
Shrimp are a heterotroph because heterotroph feeds on other autotrophs and heterotrophs and shrimp will eat algae which is an autotroph.
heterotroph
The viper-fish is a heterotroph.
Green algae is a producer (autotroph, plant) while the perch is a consumer (heterotroph, predator).
heterotroph
Heterotroph
Heterotroph.
heterotroph