T-rex lived in the Late Cretaceous period during the Mesozoic era. Dunno if this was precisely what you were looking for, but I hope it's helpful!
There are differnt temperatures for differnt marine animals
Answer: 2. Adaptations
Reason: "adaptation = a change in structure, function, or behavior by which a species or individual improves its chance of survival in a specific environment"
<span>The leaf exerts a force on the sidewalk; the sidewalk exerts a force on the leaf.</span>
In energy processing systems electronic carrier molecules transfer electrons from one part to other part of energy processing system. This provides the necessary energy and reduces power to carry out chemical reactions. They are necessary for aerobic cellular respiration and photosynthesis.
