BIO 2020 103 ACTUAL MASTER STUDY
NOTES 2026 COMPLETE QUESTIONS AND
CORRECT ANSWERS
⩥ Atoms. Answer: Building block of all substances
⩥ Molecules. Answer: Group of atoms bonded together
⩥ Organelles. Answer: Any number of organized or specialized
structures within a living cell
⩥ Cells. Answer: Smallest living unit
⩥ Tissues. Answer: Consisting of specialized cells and their products
⩥ Organs. Answer: Structural/functional
Self-contained
Has specific functions
⩥ Organ systems. Answer: Group of organs with functions
Example: digestive system
, ⩥ Multicellular organisms. Answer: Organisms that consist of more than
one cell
⩥ Population. Answer: Group of individuals of some species
⩥ Community. Answer: Population of all different species in an area
⩥ Ecosystem. Answer: Living communities and non-living physical
environment
Biotic: living
Abiotic: non-living
⩥ Biosphere. Answer: All ecosystems together on earth
⩥ Know diagram of plant cells. Answer:
⩥ The atom in a single molecules of water form
________ bonds?. Answer: Covalent
⩥ Bonds that form between multiple (different) water molecules because
each water molecule has a slightly negative and slightly positive region
are called _____ bonds. Answer: Hydrogen
NOTES 2026 COMPLETE QUESTIONS AND
CORRECT ANSWERS
⩥ Atoms. Answer: Building block of all substances
⩥ Molecules. Answer: Group of atoms bonded together
⩥ Organelles. Answer: Any number of organized or specialized
structures within a living cell
⩥ Cells. Answer: Smallest living unit
⩥ Tissues. Answer: Consisting of specialized cells and their products
⩥ Organs. Answer: Structural/functional
Self-contained
Has specific functions
⩥ Organ systems. Answer: Group of organs with functions
Example: digestive system
, ⩥ Multicellular organisms. Answer: Organisms that consist of more than
one cell
⩥ Population. Answer: Group of individuals of some species
⩥ Community. Answer: Population of all different species in an area
⩥ Ecosystem. Answer: Living communities and non-living physical
environment
Biotic: living
Abiotic: non-living
⩥ Biosphere. Answer: All ecosystems together on earth
⩥ Know diagram of plant cells. Answer:
⩥ The atom in a single molecules of water form
________ bonds?. Answer: Covalent
⩥ Bonds that form between multiple (different) water molecules because
each water molecule has a slightly negative and slightly positive region
are called _____ bonds. Answer: Hydrogen
