Which of the following statements is true?
a) all the populations in an ecosystem form the community.
b) a habitat represents all the biotic factors in an ecosystem.
c) the amount of nutrients in soil is an example of a biotic factor.
d) only one population can live in a habitat at a time.

Involving transcription and translaton. explain the causes and effects of damage to the genetic code.

In this picture, groups of pigment that capture light energy are located on the

Ihave made a synthetic cell by placing a solution that is 10% sodium chloride inside a semipermeable membrane through which water can pass but not sodium chloride. if i place this cell into a solution that is 20% sodium chloride what will happen to the size of the cell? will it increase, decrease, or stay the same in size?