Which of the following options consists of only living things?
Mushroom, Zebra, Crocodile, Fish, Tree, Chair, Flower, Bird, Frog
Mushroom, Zebra, Crocodile, Fish, Tree, Baby doll, Flower, Bird, Frog
Mushroom, Zebra, Crocodile, Fish, Tree, Dragon fly, Flower, Bird, Frog
None of these
All the other options have at least one non-living thing.
1. Tortoise 2. Octopus 3. Crocodile 4. Fish