Which observation proves that a cell is a eukaryote?

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.

a chair, a bed, and a toothbrush

explanation:

there are so many examples for that in different areas, like biology experiment carried out in our lab recently.

here's one link:

the most common type of reef is the fringing reef. this type of reef grows seaward directly from the shore. they form borders along the shoreline and surrounding islands.