age 1 of 56
BIOLOGY C190 EXAM QUESTIONS AND ANSWERS
Biology is the study of ......ANSWER........Life
Characteristics of life ......ANSWER........Organization,
metabolism, responsiveness, growth, development, reproduction
smallest unit of life ......ANSWER........a cell
Matter is ......ANSWER........anything that has mass and takes up
space
Categories of matter ......ANSWER........Biotic (living) and Abiotic
(non-living)
Levels of organization ......ANSWER........atom, molecule,
organelle, cell, tissue, organ, organ system, organism,
population, community, ecosystem, biosphere
Atom ......ANSWER........Basic unit of matter, consisting of a dense
nucleus surrounded by electrons
Molecule ......ANSWER........Two or more atoms held together by
a chemical bond
,age 2 of 56
Macromolecules ......ANSWER........A very large organic molecule
composed of many smaller molecules
Types of cells ......ANSWER........Prokaryotes and Eukaryotes
Cells of prokaryotes ......ANSWER........Are relatively small and
simple; they don't have clearly defined compartments inside
Cells of eukaryotes ......ANSWER........Include membrane bound
organelles
Organelles ......ANSWER........A membrane-enclosed structure with
a specialized function within a cell.
Microorganisms ......ANSWER........a microscopic organism,
especially a bacterium, virus, and protists
Tissues are formed when ......ANSWER........Similar cells work
together to fulfill the same detailed function
Organs ......ANSWER........Groups of tissues that work together to
perform a specific function or related functions
,age 3 of 56
organ system ......ANSWER........A group of organs that work
together in performing vital body functions.
Population ......ANSWER........A group of individuals that belong
to the same species and live in the same area
Community ......ANSWER........All the different populations that
live together in an area
Ecosystem ......ANSWER........A biological community of interacting
organisms and their physical environment.
Biosphere ......ANSWER........All living organisms on Earth,
including plants and animals, as well as microorganisms
emergent properties ......ANSWER........due to the arrangement
and interactions of parts as complexity increases (car parts =
junk, car put together with driver equals transportation)
Chemistry ......ANSWER........The study of the properties of matter
and how matter changes
, age 4 of 56
Homeostasis ......ANSWER........process by which organisms
maintain a relatively stable internal environment
Nutrients ......ANSWER........A substance that provides nourishment
essential for growth and the maintenance of life.
Energy ......ANSWER........The ability to do work or cause change
chemical potential energy ......ANSWER........the energy stored in
the chemical bonds of a substance that can be converted to
other forms of energy by a chemical reaction
chemical potential energy is measured in ______
......ANSWER........Calories
Growth ......ANSWER........Increase in size
development ......ANSWER........the process of change that occurs
during an organism's life to produce a more complex organism
Evolution ......ANSWER........Change over time; the process by
which modern organisms have descended from ancient
organisms
BIOLOGY C190 EXAM QUESTIONS AND ANSWERS
Biology is the study of ......ANSWER........Life
Characteristics of life ......ANSWER........Organization,
metabolism, responsiveness, growth, development, reproduction
smallest unit of life ......ANSWER........a cell
Matter is ......ANSWER........anything that has mass and takes up
space
Categories of matter ......ANSWER........Biotic (living) and Abiotic
(non-living)
Levels of organization ......ANSWER........atom, molecule,
organelle, cell, tissue, organ, organ system, organism,
population, community, ecosystem, biosphere
Atom ......ANSWER........Basic unit of matter, consisting of a dense
nucleus surrounded by electrons
Molecule ......ANSWER........Two or more atoms held together by
a chemical bond
,age 2 of 56
Macromolecules ......ANSWER........A very large organic molecule
composed of many smaller molecules
Types of cells ......ANSWER........Prokaryotes and Eukaryotes
Cells of prokaryotes ......ANSWER........Are relatively small and
simple; they don't have clearly defined compartments inside
Cells of eukaryotes ......ANSWER........Include membrane bound
organelles
Organelles ......ANSWER........A membrane-enclosed structure with
a specialized function within a cell.
Microorganisms ......ANSWER........a microscopic organism,
especially a bacterium, virus, and protists
Tissues are formed when ......ANSWER........Similar cells work
together to fulfill the same detailed function
Organs ......ANSWER........Groups of tissues that work together to
perform a specific function or related functions
,age 3 of 56
organ system ......ANSWER........A group of organs that work
together in performing vital body functions.
Population ......ANSWER........A group of individuals that belong
to the same species and live in the same area
Community ......ANSWER........All the different populations that
live together in an area
Ecosystem ......ANSWER........A biological community of interacting
organisms and their physical environment.
Biosphere ......ANSWER........All living organisms on Earth,
including plants and animals, as well as microorganisms
emergent properties ......ANSWER........due to the arrangement
and interactions of parts as complexity increases (car parts =
junk, car put together with driver equals transportation)
Chemistry ......ANSWER........The study of the properties of matter
and how matter changes
, age 4 of 56
Homeostasis ......ANSWER........process by which organisms
maintain a relatively stable internal environment
Nutrients ......ANSWER........A substance that provides nourishment
essential for growth and the maintenance of life.
Energy ......ANSWER........The ability to do work or cause change
chemical potential energy ......ANSWER........the energy stored in
the chemical bonds of a substance that can be converted to
other forms of energy by a chemical reaction
chemical potential energy is measured in ______
......ANSWER........Calories
Growth ......ANSWER........Increase in size
development ......ANSWER........the process of change that occurs
during an organism's life to produce a more complex organism
Evolution ......ANSWER........Change over time; the process by
which modern organisms have descended from ancient
organisms
