Label the diagram depicting a subduction zone. buoyant
trench
dense
ridge
crust
crust
direction of plate movement
direction of plate movement
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the cladogram shown here shows similarities and differences among several classes of vertebrates. anatomically, the four have limb structure as their common ancestor. we might separate the mammals from the other three classes because they a) divergent; do not lay eggs b) identical; are warm-blooded c) varied; a four chambered heart d) homologous; have mammary glands

your body is trying to warm itself up. or more precisely, sensors in your skin send messages to your brain to generate heat to your body.

true skin; another name for the dermis. lies directly beneath the epidermis and is often referred to as the true skin. outermost layer of epidermis, consisting of dead cells.