6. Which minerals on the Mohs scale will scratch apatite? Which will apatite scratch?

Need with these questions . need the answers in a rush for these questions are the answers i put down are correct or not? ?

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.

What do we call an individual that has inherited two identical alleles for the same trait? a.homozygous b.heterozygous c.monozzygous