Question

Find the odd one and give reasons :
1. Cow , cat , camel , catla

2. Amoeba , hydra , euglena , plasmodium

3. Axon , cartilage , cyton , dendron

4. Starfish , ant , butterfly , housefly

5. skin , lungs , stomach , neuron
PLEASE HELP I WANT WITH EXPLANATION ​

Answer 1

1. catla

2. euglena

4. neuron

Answer 2

Answer:

1. cow

2. euglena

3. dendron

4. starfish

5. neuron

1 . As the second letter o