Me get the rest. i am terrible at these.

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.

Which class of molecules functions as chemical signals? hormones water carbohydrates proteins

What state of matter is ice a. liquid b. element c. solid d. gas