What does the suffix -mer mean, in, for example, polymer?

My question says on my assignment. read the following scenarios and decide which of the properties of life are being described. the first one is. katherine stopped on the way to school to grab some donuts. 2. because a dog cannot sweat, it has to pant in order to stay cool. 3. an elephant trun had no bone but 4,000 muscles. i have no idea what i am supposed to anwer. i can't find the answer in my notes or book that i can understand anyway

The fauces connects which of th following structures to the oropharynx

What was the land like over 500 million years ago? what was under the sea?