In which symbiotic relationship does one organism benefit while the other organism is harmed?

a.
mutualism

b.
commensalism

c.
parasitism

d.
competition

There are specialized producers that live in warm water vents deep in the ocean. these producers do not per-form from photosynthesis, but instead perform a similar process with iron and other chemicals. why do you think these producers use this process instead of photosynthesis?

Which would be the most useful source of evidence to support mcneill's contention?

The normal shape of an enzyme is as shown in structure a. if the enzyme’s shape changes to that shown in structure b, what are two consequences of this change?