4) In a sample of pond water, a new organism is identified with the following characteristics: It consists of 20 cells surrounded by rigid cell walls, which join the cells together. Inside each of these identical cells are mitochondria and chloroplasts. Such an organism would most likely be classified as a

A) colonial photosynthetic eukaryote
B) fungal photosynthetic eukaryote.
C) colonial photosynthetic prokaryote
D) multicellular photosynthetic proka
E) unicellular photosynthetic prokarote

Colonial photosynthetic eukaryotes.

Explanation:

Protista is a known example of colonial photosynthetic eukaryotes which means they have a Nucleus and other cell organelles such as Chloroplast, Mitochondria, etc. They are different in size such as from microscopic to large, and they can survive in all kinds of atmosphere. Colonial Protista is known as a broader group of multicellular species that forms colonies.

Some examples of colonial Protista are:

1) Golden algae belong to phylum Chrysophyta and they live in freshwater.

2) Green algae such as Volvox and they also create large colonies.

when it's short and dry.