A newly discovered organism exhibits radial symmetry in its larval stage but bilateral symmetry as an adult. Its body cavity is formed by splitting of the mesoderm. It possesses a water vascular system. To which phylum does this organism MOST likely belong?
Echinodermata
Chordata
Cnidaria
Annelida
Related Questions
A species that is exclusively found in a specific geographic area and nowhere else is known as:
Keystone
Exotic
Cosmopolitan
Endemic
Which of the following best describes the Komodo dragon, found only on a few Indonesian islands?
Keystone Species
Invasive Species
Cosmopolitan Species
Endemic Species
The term used to describe a plant species found only in a specific valley in the Himalayas is:
Indigenous
Exotic
Ubiquitous
Endemic
Endemism is most likely to occur in which of the following environments?
Vast Continents
Widely Connected Rivers
Migratory Bird Flyways
Isolated Islands
