Answer:
A
Explanation:
that should be the answer
Stegosaurus and ankylosaurus are united in a group called; Thyreophora
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What is the name of the species group?</h3>
Stegosaurus and ankylosaurus are united in a group called Thyreophora. They belong to that group because under the classification of dinosaurs, the Thyreophora consist mainly of Stegosauria which are commonly known as the plated dinosaurs and Ankylosauria which are commonly called the armored dinosaurs.
It should be noted that this group could also include their more basal relatives like Scutellosaurus and Scelidosaurus.
Read more about Species Group at; brainly.com/question/1918761
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Correct me if I'm wrong but I believe it is the Gravity (or Gravitational Pull) from the Sun.