Which vessel(s) return(s) oxygenated blood to the left atrium of the heart to complete the pulmonary circuit? group of answer choices: pulmonary trunk, inferior vena cava, pulmonary arteries, pulmonary vein

Parthenogenesis is a type of reproduction that does not require a mate. it’s rarely seen in birds and higher vertebrates. parthenogenesis involves the formation of a zygote. but this zygote is formed without fertilization. in parthenogenesis, in the absence of a male gamete, the ovum develops directly in the zygote.