Usually, a month leave(s) the ovary and travels down the fallopian tube, where it may meet up with a sperm.
a. over 10 ova
b. at least two
c. one ovum
d. about 1,000 ova

How can you tell the difference between rough er from smooth er?

Which direction does the energy flow in this energy pyramid ?

Analyze how the water cycle affects a food web. now list 3 examples for each below using complete sentences, on how too much water would affect the same web? how about to little water?