Science test pls .

1. this illustration shows a kind of animal that is a free-living organism. what is the common name of this organism?
fluke

planarian

amoeba

tapeworm

2. the organism shown is a free-living one that is anchored to the bottom of ponds and streams. what is the common name of the group to which this organism belongs?

porifera

flatworms

cnidarians

annelids

3. the organism shown is a free-living one that is anchored to the bottom of ponds and streams. what is the common name of this organism?

coral

hydra

anemone

jellyfish

picture 2 goes for question 2 & 3.