In Insects, Primary Symbionts are ________, While Secondary Symbionts Are

Question

In insects, primary symbionts are ________, while secondary symbionts are ________.
A) heritable / not heritable
B) able to replicate outside of the host / obligate symbionts
C) required for host reproduction / not required for host reproduction
D) obligate symbionts / sometimes free-living

Accepted Answer

Primary symbionts are essential for the host's reproduction and survival, while secondary symbionts are not necessarily required for these processes.