A food web showing the flow of energy through a freshwater ecosystem is shown below. Which of the animals shown in the food web is preyed upon by otters?

Jewelweed, a flowering plant, has seed pods that burst open when touched and forcefully eject their seeds. these structures are favorable because they a. can cause genetic changes to occur. b. prevent germination within the seed pod. c. aid in the dispersal of the species. d. attract insects that aid in pollination.

What happens to energy in an open system?

The answer for #3 is c but i don't know why