Q: Q: What do you call a close relationship between two species that benefits both? Choices: - commensalism - primordial relationship - parasitic relationship - symbiotic relationship A:
A: symbiotic relationship

Q: Q: What chromosome determines the sex of an organism? Choices: - ribosome - S chromosome - autosome - sex chromosome A:
A: sex chromosome

Q: Q: What bone cell is responsible for forming new bone and is found in the growing portions of bone, including the periosteum and endosteum? Choices: - epithelial - congenial - fibroblasts - osteoblast A:
A: osteoblast

Q: Q: Acids are the opposites of what? Choices: - water - solids - gas - bases A:
A: bases