Bears eat berries, humans, and large fish; large fish eat smaller fish and insects; humans eat bears, large fish, and berries; venus flytraps eat insects. the scenario described here is an example of
a. an ecosystem
b. parasitism
c. a food chain
d. a food web

How does the molecular clock work? a. it analyzes the brain functionality of two different species.b. it examines and compares the physical characteristics of two different species.c. it illustrates relationships between two different species.d. it compares the number of mutations that exist in the dna of two different species.

In general, are there any major differences that you can see? explain

Archaebacteria use for movement. celia flagella pili cell walls