Which statement best illustrates a biotic or an abiotic factor that is often found in a city park?
a.) decaying leaves are an abiotic factor because they are not living. b.) rocks are an abiotic factor because they have never been alive. c.) water in ponds is a biotic factor, because it provides a habitat for living things. d.) oxygen is a biotic factor, because it is required for life and found in all living things.

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)

it's diluted or concentrated

in a diluted solution, you can add a lot more solute but in concentrated only a little more can be added