Answer:
the invention of the smart phone has drastically changed the way we go about our lives today, making us able to access anything on the internet, whereas 25 years ago, nobody could've imagined the possibilities.
Every Greek man was expected to keep in shape in case he was called up to the military. (War in Greece was almost constant.)
Answer:
D. The rock was once in a marine environment.
Explanation:
The question says when MARINE organisms are present in a rock, meaning it was in a marine environment. Most fossils are found on land, but scientists can easily figure out of it was originally from land or marine based.
I am pretty sure it is parasitism because the tapeworm is hurting the stickleback
