They lack true tissues and organs and have no body symmetry. hope it helps
The correct answer is animal waste and fertilizers
Because grasslands do not have many trees, only lots of grass and flat earth. Even if there were flying birds and tree animals, there'd be very few of these, with the fact that there are almost no trees at all in grasslands.
I hope this helps, please Brainliest me, and have a fantastic day! :D
The best answer to fill in the blank would be A).