Your lab group is assigned an unknown organism to identify to the level of phylum. You have it narrowed down to either Phylum Porifera or Phylum Cnidaria. Which feature would allow you to identify the phylum of your unknown creature

The return of the wolf to yellowstone national park will probably affect the bird population to some degree, not significantly. while wolves will hunt birds when necessary, they prefer to hunt larger prey. the bird population will most likely only be affected when hunting is scarce for the wolves. birds of prey will also probably not be affected as much as other birds who spend more time on the ground hunting for food as the tend to spend more time in the air or in trees since they do not need to stay on the ground for long due to the nature of the way they hunt.