They are animal-like because they are heterotrophs, and are capable of moving
The smallest muscle of the sural region is the <span>plantaris</span> muscle.
You'll want to double check, but I think it's (a) cotyledon.
The external covering of diatoms are made up of, while slime molds have cell walls containing. diatoms are because they make food through photosynthesis, while slime molds are because they eat decaying plant matter
