BIO 110 TEST 1 CHAPTERS 1, 2, AND 3
QUESTIONS AND WELL DETAILED
ANSWERS|| GRADED A+|| LATEST
UPDATE 2026
The smallest unit of a substance; they and the fundamental particles that compose them
are the building blocks of matter: -CORRECTANSWER Atom.
Two or more atoms bonded together: -CORRECTANSWER Molecule.
The smallest unit of life: -CORRECTANSWER Cell.
In multicelled organisms, specialiszed cells organized in a pattern that allows them to
perform collective function: -CORRECTANSWER Tissue.
In multicelled organisms, a structure that consists of tissues engaged in a collective
task: -CORRECTANSWER Organ.
In multicelled organisms, set of interacting organs that carry out a particular body
function: -CORRECTANSWER Organ system.
Individual that consists of one or more cells: -CORRECTANSWER Multicelled
organism.
,Group of interbreeding individuals of the same species in a defined area: -
CORRECTANSWER Population.
All populations of all species in a defined area: -CORRECTANSWER Community.
A community interacting with its environment: -CORRECTANSWER Ecosystem.
All regions of Earth where organisms live: -CORRECTANSWER Biosphere.
Identify the levels of life's organization: -CORRECTANSWER 1) Atom
2) Molecule
3) Cell
4) Tissue
5) Organ
6) Organ system
7) Multicelled organism
8) Population
9) Community
10) Ecosystem
11) Biosphere
, Substance that an organism acquires from the environment to support growth and
survival: -CORRECTANSWER Nutrient.
Organism that makes its own food using energy and nonbiological raw materials from
the environment: -CORRECTANSWER Producer.
Process by which producers use light energy to make sugars from carbon dioxide and
water: -CORRECTANSWER Photosynthesis.
Organism that gets energy and nutrients by feeding on tissues, wastes, or remains of
other organisms: -CORRECTANSWER Consumer.
Process in which organisms keep their internal conditions within tolerable ranges by
sensing and responding appropriately to change: -CORRECTANSWER Homeostasis.
Process by which the first cell of a multicelled organism gives rise to a multicelled adult:
-CORRECTANSWER Development.
In multicelled species, an increase in the number, size, and volume of cells: -
CORRECTANSWER Growth.
Process by which organisms produce offspring: -CORRECTANSWER Reproduction.
QUESTIONS AND WELL DETAILED
ANSWERS|| GRADED A+|| LATEST
UPDATE 2026
The smallest unit of a substance; they and the fundamental particles that compose them
are the building blocks of matter: -CORRECTANSWER Atom.
Two or more atoms bonded together: -CORRECTANSWER Molecule.
The smallest unit of life: -CORRECTANSWER Cell.
In multicelled organisms, specialiszed cells organized in a pattern that allows them to
perform collective function: -CORRECTANSWER Tissue.
In multicelled organisms, a structure that consists of tissues engaged in a collective
task: -CORRECTANSWER Organ.
In multicelled organisms, set of interacting organs that carry out a particular body
function: -CORRECTANSWER Organ system.
Individual that consists of one or more cells: -CORRECTANSWER Multicelled
organism.
,Group of interbreeding individuals of the same species in a defined area: -
CORRECTANSWER Population.
All populations of all species in a defined area: -CORRECTANSWER Community.
A community interacting with its environment: -CORRECTANSWER Ecosystem.
All regions of Earth where organisms live: -CORRECTANSWER Biosphere.
Identify the levels of life's organization: -CORRECTANSWER 1) Atom
2) Molecule
3) Cell
4) Tissue
5) Organ
6) Organ system
7) Multicelled organism
8) Population
9) Community
10) Ecosystem
11) Biosphere
, Substance that an organism acquires from the environment to support growth and
survival: -CORRECTANSWER Nutrient.
Organism that makes its own food using energy and nonbiological raw materials from
the environment: -CORRECTANSWER Producer.
Process by which producers use light energy to make sugars from carbon dioxide and
water: -CORRECTANSWER Photosynthesis.
Organism that gets energy and nutrients by feeding on tissues, wastes, or remains of
other organisms: -CORRECTANSWER Consumer.
Process in which organisms keep their internal conditions within tolerable ranges by
sensing and responding appropriately to change: -CORRECTANSWER Homeostasis.
Process by which the first cell of a multicelled organism gives rise to a multicelled adult:
-CORRECTANSWER Development.
In multicelled species, an increase in the number, size, and volume of cells: -
CORRECTANSWER Growth.
Process by which organisms produce offspring: -CORRECTANSWER Reproduction.
