On a warm summer day in august, you decide to go for a walk through a new housing development that was built near your home a few years ago. as you walk by the pond that's in the center of this development, you notice an unpleasant smell. then, you see that the pond is full of green algae, and there are dead fish floating on the surface. this is a pond that used to be clean and clear, and you used to play in it as a child. what could have most likely caused this change?

1. dermis

2. chemical

3. urine

4. viruses

5. antibodies

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)

the wetland preservation movement began in the u.s. in earnest with the clean water act (cwa) of 1972. although not specifically written to protect wetlands, the cwa is comprised of a series of regulations designed to prevent pollutants from contaminating u.s. waters.

ice cream

explanation: