Cnidaria and Ctenophora

What are the two phyla discussed that are diploblastic and have radial or biradial symmetry?

Cnidaria and Ctenophora

What is the majority class of Cnidaria, representing 60% of its species?

Anthozoa

How do Cnidarians reproduce asexually?

Through budding, where buds can detach to form clones or remain attached to form colonies.

What structure do Cnidarians use for stinging and capturing prey?

Cnidocytes, which contain nematocysts.

What are the two body forms of Cnidarians?

Polyps and Medusae.

What is the class of Cnidaria that includes large jellyfish?

Scyphozoa.

What is unique about the subclass Hexacorallia within Cnidaria?

It includes sea anemones and hard corals, characterized by large, heavy polyps.

What type of reproductive strategy do most Ctenophores have?

Most are monoecious.

What is the primary locomotion method in Ctenophores?

Using eight equally spaced rows of comb-like plates of cilia.

What is the primary difference between solitary and colonial hydroids?

Solitary hydroids are single, free-living individuals, while colonial hydroids consist of interconnected zooids.