To act as a catalyst in chemical reactions
Answer:
the neocoretex
Explanation:
from wikipedia "The neocortex, also called the neopallium, isocortex, or the six-layered cortex, is a set of layers of the mammalian cerebral cortex involved in higher-order brain functions such as sensory perception, cognition, generation of motor commands,[1] spatial reasoning and language.[2] The neocortex is further subdivided into the true isocortex and the proisocortex."
...require a living host cell to survive.
They all contain at least one cell, and they need need food, water, energy, and living space to survive. They are both considered living organisms as well. They depend on abiotic and biotic factors in an ecosystem to survive.
Answer:
I think it is C if I am wrong i am srry