Exam 1 Study Set

emergent property

a characteristic of a system that does not appear in any of the system's component parts

levels of life's organization

atom, molecule, organelle, cell, tissue, organ, organ system, organism, population, community, ecosystem, biosphere

homeostasis

process by which organism keeps its internal conditions within tolerable ranges by sensing and responding to change

photosynthesis

producers use light energy to make sugars from carbon dioxide and water

prokaryote

single-celled organism without a nucleus

eukaryote

organism whose cells characteristically have a nucleus

bacteria

most diverse and well-known group of single-celled organisms that lack a nucleus

archaea

group of single-celled organisms that lack a nucleus but are more closely related to eukaryotes than bacteria

protist

diverse group of simple eukaryotes

fungus

single-celled or multicelled eukaryotic consumer