Mark for Review Plant cells communicate with tissues by control chemicals known as hormones. Auxin, a plant hormone is
produced in the stem, buds, and root tips. Auxin moves to the darker side of a plant shoot promoting the
elongation of cells on that side. What system carries auxin to move to the darker side of the plant?
A) Dermal system
B) Immune system
C) Reproductive system
D) Vascular system

What characteristic make legumes a good food source for food insecure populations

1. seamount a raised footwall block between normal fault creates this 2. syncline break between rocks where a hanging wall rises relative to a footwall 3. hot spring on rolling hills, this a dip between hills 4. volcanic neck created when a block with hanging walls slips down between normal faults 5. caldera underwater volcano that never reaches above sea level 6. horst natural hot water on earth's surface containing many minerals 7. graben underwater volcano whose top is eroded flat by waves 8. crater less than a mile in diameter; looks like a bowl at the top of a volcano 9. guyot magma that filled the central vent that remains after the volcano has eroded 10. reverse fault over 1 mile in diameter; looks like a bowl over a volcano

Which short-term environmental changes would a very small asteroid or comet impact on earth most likely cause? check all that apply. flooding extinction craters on surface changes in weather patterns death of organisms and populations