7 on pH scale Ans✓✓✓ neutral
acid Ans✓✓✓ molecule or other entity that can donate a proton or
accept an electron pair in reactions
adaption Ans✓✓✓ living things are able to adapt to environment by
natural selection
animals Ans✓✓✓ multicellular organisms that ingest food
archaea (domain) Ans✓✓✓ capable of living in extreme environments,
single celled
atom Ans✓✓✓ smallest unit of an element composed of electrons,
neutrons, and protons
bacteria (domain) Ans✓✓✓ structurally simple, but metabolically
diverse
base Ans✓✓✓ substance that can accept a hydrogen ion from another
substance
, basic characteristics common to all living things Ans✓✓✓ complex
organization, respond to stimuli, reproduce, adapt to the environment,
grow and develop, homeostasis, metabolism
biosphere Ans✓✓✓ regions of earth's crust, water, and atmosphere
inhabited by living things
carbohydrates Ans✓✓✓ immediate and stored energy
cell Ans✓✓✓ structural and functional unit of all living things
community Ans✓✓✓ interacting populations in a particular area
covalent bond (molecular bond) Ans✓✓✓ (molecular bond), chemical
bond that involves the sharing of electron pairs between atoms
ecosystem Ans✓✓✓ community plus physical environment
electron Ans✓✓✓ negatively charged, outside nucleus surrounding
protons and neutrons
Eukarya Ans✓✓✓ domain