Areas with the same latitudes can have different climates due to A. The earth's axis tilt making temperatures at the
same latitude vary.

B. ocean currents bringing different temperature
waters to different latitudes.

С. Ocean currents pulling cold water away from cold
places.

D. Sunlight hitting different latitudes with varying
intensity

both male and female gametes are produced by meiosis of the germ cells. therefore, both male and female gametes are haploid. one male and one female gamete unite during the fertilization to form the diploid zygote. in seed bearing plants, pollen grain is the male gametophyte, which produces sperm cells.

i think the answer is a.keratin is the pigment responsible for skin color.

these muscles maintain the blood pressure in the vessels. the smooth muscles are innervated by nerves of the autonomic nervous system. when the muscles contract, they cause vasoconstriction of the vessels and increase blood pressure. when the muscles relax, they enable vasodilation of the   blood vessels hence reduce blood pressure.