Answer:
All annelids and arthropods have a body plan. Unlike annelids, arthropods also have a coelom, and a segmented body. The circulatory system of annelids is closed, while the circulatory system of arthropods is opened.
Explanation:
The movement of substances (as by diffusion) across a cell membrane without the expenditure of energy.
Answer:
B. Charged Particles and Ions
Answer:
Forelimb protraction starts with a rapid flexion of the shoulder joint bringing the humerus close to its maximum cranial rotation angle, almost in parallel to the mid-sagittal plane. This position has already been reached by the middle of the swing phase.
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