Written by Merel Dagher (PEACE Advisor)
Compare and contract the lifecycle of Brown Algae (a Chromalveolata) and Ulva (a type of “green algae”):
a. Only brown algae have a haplodiplontic life cycle
b. Both have a haplontic life cycle
c. Ulva has isomorphic gametophytes and sporophytes
d. Brown algae have isomorphic gametophytes and sporophytes
e. Ulva has heteromorphic gametophytes and sporophytes
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a. Only brown algae have a haplodiplontic life cycle
b. Both have a haplontic life cycle
c. Ulva has isomorphic gametophytes and sporophytes
d. Brown algae have isomorphic gametophytes and sporophytes
e. Ulva has heteromorphic gametophytes and sporophytes
Click “Read More” to see the answer.
The correct answer is c. Both have haplodiplontic lifecycles. Brown algae have heteromorphic gametophytes and sporophytes (meaning they don’t resemble each other). Ulva is a chlorophyte.