Answer:
Horns can help males compete for a mate during mating season.
Stomata allow for gas exchange on a leaf.
xylem and phloem are tissues that transport water and food throughout the plant.
pollen tubes transport the sperm to the egg.
<span>"Asteroids vary greatly in size and are mostly made up of stone, iron and nickel" is the correct statement. Most asteroids near us are found in the asteroid belt. </span>