Examlex
Which dating method can provide dates ranging from a few thousand to a million years ago, measures the number of electrons trapped within a sample, and may prove most helpful in dating specimens of bone and teeth?
Tetrapods
Four-limbed vertebrates: the amphibians, reptiles, birds, and mammals.
Actinopterygii
Actinopterygii, commonly known as ray-finned fishes, constitute a class of bony fishes characterized by the radiating structure of their fins, which are supported by bony spines.
Flexible Fins
Adaptations in aquatic organisms allowing for maneuverability, stability, and propulsion in water.
Temporal Openings
Temporal Openings are large gaps or spaces in the skulls of some vertebrates, allowing for the attachment of jaw muscles thus facilitating movement and strength.
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