Which statement best describes how a major change in the size of one population affects an ecosystem? a. It will immediately kill every population and the physical conditions.
b. It would not affect the physical conditions nor any populations.
c. It will affect the physical conditions, but not the other populations.
d. It affects every population, not the physical conditions.

  this a simple question over worded to increase error

A. is obviusly no it

B. is saying nothing will happen which is incorrect

C. is saying like trees would shrink or weather would be bad

D. is correct because if there is more a certain creature it will over eat its prey

answer; i believe its (ovulation);

one characteristic that is shared by all is a soft body. many

of these invertebrate animals also have an outer shell to protect their

body. oysters, clams, snails, and mussels are all mollusks. so are octopuses, squids, and slugs. mollusks live on land and in freshwater.