How to make my laptop look like the one that is not a problem?

The diagram shows a chicken embryo and a human embryo

What characteristic does giardia have that makes it a protist, a characteristic that all other protists have? a. it is a unicellular eukaryote. b. it is a eukaryote that is not an animal, a plant, or a fungus. c. it is parasitic and has flagella. d. it spends part of its time in a body of water.

What astronomers thought epicycles were correct?