Chemosynthetic bacteria
Symbiotic
bacteria
Which organisms are both secondary and tertiary consumers in this food web?
A Chemosynthetic bacteria and amphipods
B Zooplankton and mussels
C Ratfish and octopuses
D Galatheid crabs and zoarcid fish
D
B
O

C. Ratfish and octopuses

Explanation:

Ratfish and octopuses are the organisms which are considered as secondary and tertiary consumers in this food web because Ratfish is a secondary consumer that feeds on primary consumer while on the other hand, octopuses is considered a tertiary consumer that feeds on secondary consumers so that's why both  organisms which are considered as secondary and tertiary consumers in this food web.

i think the miocene epoch spans the time from 23 million to 12 million years ago.

emerald ash borer

the emerald ash borer is a green buprestid or jewel beetle native to north-eastern asia that feeds on ash species. females lay eggs in bark crevices on ash trees, and larvae feed underneath the bark of ash trees to emerge as adults in one to two years. hope this !