Q: Q: The interaction of what opposite factors describe a biome and ecosystem? Choices: - metastasis and biotic - innate and biotic - hygroscopic and abiotic - abiotic and biotic A:
A: abiotic and biotic

Q: Q: What is the main artery of the systematic circulation called? Choices: - femoral - subclavian - carotid - aorta A:
A: aorta

Q: Q: What is the name of the part that connects the vagina with the uterus? Choices: - urethra - ovary - vulva - cervix A:
A: cervix

Q: Q: What is the term for the hard, round object produced within the mantle of a living shelled mollusk? Choices: - ball - root - glass - pearl A:
A: pearl