Which single-celled protist is the most complex in terms of its cellular structures and their functions? Aamoeba

8 euglena

OC. paramecium

D. volvox

Paramecium

Explanation:

Paramecium is a single celled protist that contain complex structures than others because, it is a unicellular eukaryote that is found in water. It has hair like portrusion called cillia all around it's body use for movement. It is covered with pellicle. It's shape is like the sole of a shoe. It has contracticle or food vacuole for storage. It has cytoplasm, ectoplasm and endoplasm. It has nucleus which is consist of both macro and micronucleus. It has cytochrome. It has oral groove e.t.c.

one characteristic that is shared by all is a soft body. many

of these invertebrate animals also have an outer shell to protect their

body. oysters, clams, snails, and mussels are all mollusks. so are octopuses, squids, and slugs. mollusks live on land and in freshwater.

b brown mice / white sand dunes