Anywhere you look on this tree, you will see the same pattern in the leaves. this pattern is tissue used used to transport water. these lines in the leaves are the part of the vascular tissue.

Moving down the ramp from 6 meters to

Drag each tile to the correct box. the body monitors the levels of oxygen in the blood to regulate breathing. isabel is running in a marathon and is near the finish line. she feels out of breath. how will her nervous system work to generate a reaction? arrange the tiles in chronological order. isabel's breathing rate increases. sensory receptors in the arteries detect low oxygen levels. the brain sends signals through motor neurons. sensory neurons generate an impulse. the central nervous system relays an impulse to certain brain regions.

If a checkpoint detects damaged dna, the checkpoint may