Which of the following is a mobile body type of cnidarians?

1.coelom
2.polyp
3.medusa
4.all of the above

if the type of the food available changes, then the frequency of beak types will change, because birds with beaks more suited to the available food will be more successful over time.

regents of the university of california v. bakke, 438 u.s. 265 (1978), was a landmark decision by the supreme court of the united states. it upheld affirmative action, allowing race to be one of several factors in college admission policy.

its b. greenhouse gasses trap uv rays for heat so that the plants stay alive.