Q: What branch of biology uses fossils to study life's history? Choices: - morphology - entomology - gerontology - paleontology A:
paleontology

Q: The relationships between groups of different species makes up a ___________. Choices: - species - family - food chain - community A:
community

Q: Sickle-cell disease significantly impairs the function of what? Choices: - limbic system - nervous system - metabolism system - circulatory system A:
circulatory system