Answer:
1. The animal on the snake's mouth is harmed. The snake is benefited.
2. the plant on the tree is benefited. The tree is not harmed because the plant did not did anything that harmed the tree. It just needs to stick on the tree in order to receive sunlight and it's other needs.
3. The dog is getting itchy because of the ticks. The dog is harmed and the ticks are benefited.
4. The bee is getting nectar from the flower. The flower is benefited because the pollen will stick on the bee and when it flies it will fall and it will be soon grow into a plant / flower.
5. The animals are competing over something. Like food, mate, and territory. The animal who will win is the one who does not give up and strong.
