Examlex
Fossils of Cooksonia , which date to approximately ____ years ago, represent the oldest known fossils of vascular plants.
Posture Shift
A change in the positioning or alignment of the body, which can indicate discomfort, readiness to act, or a reaction to external stimuli.
Enlarging Fetus
Refers to the growth and development of a fetus inside the uterus over the course of a pregnancy.
Scoliosis
A medical condition characterized by a sideways curvature of the spine, which can impact posture and movement.
Flexion
A movement that decreases the angle between two body parts, such as bending an elbow or knee.
Q2: Which structure is derived from an ancestral
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Q94: Which evolutionary change was not one of
Q99: Answer the question using the accompanying figure.