The main source of energy for a wetland ecosystem containing a variety of plants and animals?

Question

It bascially represents a wetlands ecosystem.

It shows a diagram.... of the sun, trees, fish, frog, rabbit, grass and plently of water.

The answer choices are:

(1) the Sun

(2) soil

(3) plants

(4) water

Answer 1

1.  the Sun. All energy that moves up the food chain was originally collected from the sun