5. The cells that function with the sieve tubes are the
a. vessels.
b. companion cells.
c. adjunct cells.
d. sclereids.
e. periderm.

1) the mayans built pyramids just like the egyptians. the mayans also used hieroglyphics like them.2) power was passed down by family. for example, if the father dies, the son would be the next king.3)they both built pyramids for their structures.4)the main crop for the mayans was maize.5)they also grew manioc, beans,  squash,  amaranth, and chile peppers.

Cwould most likely affect a cow's offspring.hope this 's and give me brainiest!  

It's either -limiting factors or -scarce resources but i'd go with my first answer since the food and water are abundant they really aren't scarce