definition
(Of an organism) living as a parasite: (be parasitic on)
sentence
Mistletoe is parasitic on trees.
Since viruses are parasitic on cellular life, the first life could not have been anything like a virus.
Nevertheless, growing these parasitic plants in vitro is difficult, because of their dependence on a connection to hosts for normal development, and because of their specific germination requirements.
Since viruses are parasitic on cellular life, the first life could not have been anything like a virus.
Nevertheless, growing these parasitic plants in vitro is difficult, because of their dependence on a connection to hosts for normal development, and because of their specific germination requirements.
difficulty
medium
toefl frequency
2
toefl classification