23. although they are radially symmetrical, echinoderms are more closely related to a human than to a jellyfish because they are (1 point)

The answer is bilateral.

Although echinoderms are radially symmetrical but still they more closely related to humans than to a jellyfish. Firstly, because of echinoderm larvae have bilateral symmetry which is similar to human( chordate) body plan. Secondly, because of Echinodermata and Chordata (human) both are deuterostomes(blastopore become anus), not protostomes(blastopore become mouth) like jellyfish

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.