Trees that have thick, waxy needles to prevent water loss and protect from the cold would most likely be found in which biome

How does pregnancy begin? a) a placenta forms in the uterus b) a sperm reaches an egg in the fallopian tubec) the blastocyst differentiates into two cell types d) contractions begin in the uterine wallapex

What molecules does hemoglobin decay into over time

Why does sexual reproduction result in more genetic variation in a species