What causes fertilization?
pollen infertility gametes orchids seeds no physical contact honeybees isolation
A B C D E F G H
Sperm and eggs are cells known as gametes.
Fertilization is caused by the usage of gametes
What causes fertilization? (A) pollen (B) infertility (C) gametes (D) orchids (E) seeds (F) no physical contact (G) honeybees (H) isolation