B. All birds have feathers and hollow bones, but not all birds fly (ostrich, emu, kiwi, etc).
Answer:
Starfish are also referred to as sea stars because of their star-shaped appearance. They are a part of the phylum Echinodermata and are related to sand dollars, sea urchins, and sea cucumbers.
Explanation:
A method of classification of animals and plants according to the proportion of measurable characteristics that they have in common. It is assumed that the higher the proportion of characteristics that two organisms share, the more recently they diverged from a common ancestor.
I think that it would be ferns