What is an abiotic element?

How do the sperm cells get from the stigma to the ovules? a. they slide down the petals to the bottom of the flower. b. they travel through pollen tubes. c. they travel along filaments. d. insects carry the sperm cells from the stigma to the ovules.

Dna replication occurs in preparation for

The climate on the leeward side of a mountain differs from that on the windward side mostly in