What is activation energy? the energy needed to get a reaction started the energy stored in the bonds of a reaction’s enzyme the energy absorbed by the bonds that form in a reaction the heat energy given off by a reaction

The activation energy is: the energy needed to get a reaction started

Explanation: this is dealing with enzymes and their reactions

The energy needed to get a reaction started.

Explanation:

1. a host loses nutrients to a parasite

2. a parasite only benefits when the host is alive (cause if the host dies the parasite dies with it )

3. producers to consumers

4. the tapeworm is a parasite

5. they convert energy from the sun (photosynthesis)

6. sunflower-robin (i think im 80% sure)

7. producer

8. consumer

9. prey

10. fresh water snails ( cause the green algea is the producer and the snails are the primary consumers and the small fish consumer so is the big fish)