GUIDE ACCURATE
, What is a scientific theory? - ANSWERSA scientific theory is a well-substantiated
explanation of some aspect of the natural world, based on a body of facts that have
been repeatedly confirmed through observation and experiment.
What is the correct order of complexity? - ANSWERSAtom, Molecule, Organelle, Cell,
Tissue, Organ, System, Organism, Population, Community, Ecosystem, Biosphere
What is the definition of a population? - ANSWERSMembers of a single type of living
thing, living together in a defined area
What is homeostasis? - ANSWERSMaintaining a constant internal environment
What is the definition of a tissue? - ANSWERSA large mass of similar cells that make
up a part of an organism and perform a specific function.
Living things inherit information from their parents encoded in what? - ANSWERSDNA
What are the subatomic particles of an atom? - ANSWERSprotons, neutrons, and
electrons
Which subatomic particle plays the greatest role in chemical reactions? -
ANSWERSelectrons
Why will atoms react with other atoms? - ANSWERStheir outermost shell of electrons
has not been filled
What is the definition of a hydrophobic molecule? - ANSWERSA molecule that is
repelled by water or is "water-fearing".
How many covalent bonds can oxygen make with hydrogen? - ANSWERStwo
What is the definition of a solute? Solvent? - ANSWERSA solute is the substance to be
dissolved (example: sugar). The solvent is the one doing the dissolving (example:
water).
What is the definition of an acid (in regards to hydrogen atoms)? - ANSWERSAcids are
substances that can donate H+ ions to bases.
What is glycogen? - ANSWERSa substance deposited in bodily tissues as a store of
carbohydrates. It is a polysaccharide that forms glucose on hydrolysis.