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What are the characteristics of living organisms? - (ANSWER)Living organisms have
organization, acquire and use energy, maintain homeostasis, have inherited information (DNA),
are composed of cells, respond to their environment, and reproduce.
What is science? - (ANSWER)Science is a collection of unified insights about nature, supported
by an array of facts.
What is the difference between a theory and a hypothesis? - (ANSWER)A theory is a
generalization that explains many observations and has been tested without being disproven,
while a hypothesis is a tentative, testable explanation for an observed phenomenon.
What are the steps of the Scientific Method? - (ANSWER)The steps are observation, hypothesis,
experiment/test, and conclusions.
What particles are found in an atom? - (ANSWER)An atom is composed of protons (positive),
neutrons (neutral), and electrons (negative).
, What are the properties of water? - (ANSWER)Water freezes at 0 degrees Celsius, has high
specific heat, provides climate buffering, has surface tension, and is essential for life.
Why is pH important to living organisms? - (ANSWER)Living organisms usually thrive in a pH
of 6-8, with some parts being very acidic, such as the stomach.
Why is carbon important in living organisms? - (ANSWER)Carbon can form four covalent
bonds, making it essential for the structure of organic molecules.
How are carbohydrates important to living organisms? - (ANSWER)Carbohydrates provide
energy and structural support, containing carbon, hydrogen, and oxygen.
What are the monomers and polymers of carbohydrates? - (ANSWER)Monomers are
monosaccharides, and polymers are polysaccharides.
What are the differences between saturated and unsaturated fatty acids? - (ANSWER)Saturated
fatty acids have all single C-C bonds and are found in fried foods; unsaturated fatty acids have at
least one double bond and are found in nuts, fish, and avocados.