Science Biology Life Science
WGU C190 Intro to Biology easy to
follow Study Guide (LATEST 2025)
Comprehensive Q&A | 100% Correct |
the Ultimate Guide for Yr. 2026/2027
Terms in this set (66)
Living/ Describes living factors in the
environment.
Biotic
Non-living/ non-libing elements in
the environment
Abiotic
atoms, molecules, cells, tissues,
Levels of Biological
organs, organ-systems, organisms,
Organization
populations, communities,
(smallest to largest)
ecosystems, biomes, biosphere
Basic unit of matter. Each atom
consists of a central nucleus (protons
Atoms
and neutrons) and an outer ring(s)
containing electrons.
Molecule
A group of atoms bonded together
basic unit of life that all organisms are
made of
Cells
Groups of cells with a common
structure and function.
Tissues
, Groups of tissues that work together
to perform a specific function or
Organs
related functions
group of organs that work together
to perform a specific function
organ system
A living thing made up of several
organ systems
Organism
A group of organisms that belong to
the same species and live in the same
Population
area
a group of different populations of
living organisms that inhabit a
Communities
particular area and interact with
eachother
A system that includes all living
organisms (biotic factors) in an area
Ecosystem as well as its physical environment
(abiotic factors) functioning together
as a unit.
A collection of many similar
ecosystems across a large geographic
Biomes area. Defined by specific climate
conditions (temperature/rainfall).
Example: Savannah
The gobal sum of all ecosystems and
biomes, representing all life on earth
Biosphere
Protons
positive charge, found in nucleus
Neutrons
neutral charge, found in nucleus
WGU C190 Intro to Biology easy to
follow Study Guide (LATEST 2025)
Comprehensive Q&A | 100% Correct |
the Ultimate Guide for Yr. 2026/2027
Terms in this set (66)
Living/ Describes living factors in the
environment.
Biotic
Non-living/ non-libing elements in
the environment
Abiotic
atoms, molecules, cells, tissues,
Levels of Biological
organs, organ-systems, organisms,
Organization
populations, communities,
(smallest to largest)
ecosystems, biomes, biosphere
Basic unit of matter. Each atom
consists of a central nucleus (protons
Atoms
and neutrons) and an outer ring(s)
containing electrons.
Molecule
A group of atoms bonded together
basic unit of life that all organisms are
made of
Cells
Groups of cells with a common
structure and function.
Tissues
, Groups of tissues that work together
to perform a specific function or
Organs
related functions
group of organs that work together
to perform a specific function
organ system
A living thing made up of several
organ systems
Organism
A group of organisms that belong to
the same species and live in the same
Population
area
a group of different populations of
living organisms that inhabit a
Communities
particular area and interact with
eachother
A system that includes all living
organisms (biotic factors) in an area
Ecosystem as well as its physical environment
(abiotic factors) functioning together
as a unit.
A collection of many similar
ecosystems across a large geographic
Biomes area. Defined by specific climate
conditions (temperature/rainfall).
Example: Savannah
The gobal sum of all ecosystems and
biomes, representing all life on earth
Biosphere
Protons
positive charge, found in nucleus
Neutrons
neutral charge, found in nucleus
