What is the difference between a food chain and food web?

A)Food Chains begin with an herbivore, whereas food chains begin with a producer

B)The food web is only one part of the food chain

C)Food chains begin with a producer, whereas food begin with a herbivore

D)The food chains is only one link within a food web

Advances in technology have enabled scientists and researchers to better study the evolutionary relationships between species

Is there any solid scientific evidence that humans have been cloned?

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