On a trip to the beach, you find a multicellular organism whose cells have chloroplasts and cell walls. Based on this description, you know that the organism could be a brown alga, a red alga, a green alga, or a land plant washed into the ocean. The presence of which of the following would allow you to definitively identify this organism as a plant?

Question

Quizplus · Accepted Answer

Multicellular embryo is a characteristic feature of plants that distinguishes them from algae. While both algae and plants can have cellulose, chlorophyll a, and starch, and some algae also exhibit alternation of generations, the development of a multicellular embryo from a fertilized egg is unique to land plants.

On a Trip to the Beach, You Find a Multicellular