Identify the difference between facilitated diffusion and regular diffusion.

a)in facilitated diffusion, substances move from areas of lower concentration to areas of higher concentration. in regular diffusion, substances move in the opposite direction.
b)facilitated diffusion is a form of active transport. regular diffusion is a form of passive transport.
c)facilitated diffusion involves special membrane proteins that transport substances across the cell membrane. regular diffusion does not involve proteins.
d)facilitated diffusion requires an input of energy to transport substances across the cell membrane. regular diffusion does not require an input of energy.

What type of competition exsist between two species. turtles and fish

Categorize each term as something that is typical of a scientific theory, a scientific hypothesis, or both. makes predictions

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