Question

1. living oceans: classification

cnidarians have_. select one answer.
deuterostome development
tissues
coelom
segmentation

Explanation:

• Deuterostome Development: Cnidarians are not deuterostomes. Deuterostome development is a characteristic of echinoderms and chordates as per the diagram.
• Tissues: As shown in the diagram, Cnidarians are above the "Tissues" mark on the classification tree, meaning they have tissues.
• Coelom: Cnidarians do not have a coelom. The presence of coelom is a feature of more complex animals like annelids, arthropods, etc.
• Segmentation: Cnidarians lack segmentation. Segmentation is seen in annelids as per the given classification.

Answer:

Tissues