according to the cladogram, which organisms have roundworms as a common ancestor?\n mollusks and flatworms\n…

according to the cladogram, which organisms have roundworms as a common ancestor?\n mollusks and flatworms\n sponges and chordates\n flatworms, sponges, and cnidarians\n mollusks, echinoderms, chordates, and annelids

according to the cladogram, which organisms have roundworms as a common ancestor?\n mollusks and flatworms\n sponges and chordates\n flatworms, sponges, and cnidarians\n mollusks, echinoderms, chordates, and annelids

Answer

Explanation:

Step1: Analyze the cladogram

In a cladogram, organisms that branch off from a common - ancestor node share that ancestor.

Step2: Locate roundworms

Roundworms are a specific branch point on the cladogram.

Step3: Identify descendants

The organisms that branch off after the roundworm branch point are mollusks, annelids, arthropods, echinoderms, and chordates.

Answer:

mollusks, echinoderms, chordates, and annelids