What is unusual about organisms in the domain Archaea?

A : They live in extreme environmental conditions

B : They are very large.

C : Their rate of reproduction is very fast.

D : They are complex, multi cellular organisms.

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.