2024-2025 WGU C190 INTRO TO BIOLOGY PRE ASSESSMENT
EXAM ACTUAL EXAM 300 COMPLETE REAL QUESTIONS
AND CORRECT ANSWERS (100% CORRECT VERIFIED
SOLUTIONS) |GUARANTEED PASS.
Abiotic - Answer-Non-living, may be within or made by a living
organism.
Biotic - Answer-Living. Matter is considered ______ if it was
ever alive at some point in time
Atom - Answer-Smallest level. The basic unit of matter.
Consists of a dense nucleus surrounded by electrons.
Molecule - Answer-Second level. A chemical structure
consisting of at least two atoms held together by a chemical
bond.
Macromolecule - Answer-Third level. Biologically important
molecules that are technically polymers. Example: DNA.
Cell - Answer-Fourth level. The fundamental unit of life.
Essentially a tiny droplet of water and other molecules enclosed
by a fluid "skin" or membrane. The smallest and simplest entity
that possesses all the characteristics of life.
,Organelle - Answer-Fifth level. Compartments inside the cell
that contain specific groups of macromolecules and carry out
specific cellular functions. One of these organelles is the
nucleus; it encloses the DNA within the cell.
Microorganism - Answer-Sixth level. Single-celled life form.
Consists of just one cell and include unicellular organisms such
as bacteria and protests.
Tissue - Answer-Seventh level. Formed when similar cells work
together to fulfill the same detailed function.
Organ - Answer-Eighth level. Collections of tissues that work
together to carry out a common general function. Present not
only in higher level animals but also in plants.
Organ System - Answer-Ninth level. Consists of functionally
related organs. Mammals have many.
Organism - Answer-Tenth Level. Individual living entities that
survive and reproduce as a unit. For example, each tree in a
forest.
,Population - Answer-Eleventh level. Consists of all the
individuals of a species living within a specific area.
Community - Answer-Twelfth level. Populations can interact
with each other in positive and negative ways, and together they
form this.
Ecosystem - Answer-Thirteenth level. Consists of all the living
things in a particular area together with the abiotic, or nonliving,
parts of that environment.
Biosphere - Answer-Fourteenth level. The highest level of
organization in living systems. The collection of all ecosystems
on Earth. Includes all habitable zones on the planet, including
land, soil, and rocks to a great depth in the Earth's crust; water
and ice; and the atmosphere to a great height.
Emergent Properties - Answer-Characteristics of a system that
are not present in any of its component parts.
Biology - Answer-The scientific study of life and is the branch
of science that studies living organisms and the way organisms
interact with their environments.
, Homeostasis - Answer-The ability or tendency of organisms and
cells to maintain stable internal conditions.
Nutrient - Answer-Any matter an organism needs but cannot
make for itself.
Energy - Answer-The capacity to do work or to make a change
in the location, temperature, or structure of matter. Does not
have mass and it does not take up space, but it can be measured
in terms of what it does.
Growth - Answer-An increase in size.
Development - Answer-Structure and function change in an
orderly way as an organism passes through its life cycle. An
individual's pattern of _______ is partly determined by genetic
instructions.
Reproduction - Answer-Occurs when an individual organism
passes on its genetic information to a newly independent
organism, or offspring.
Evolution - Answer-A scientific theory that explains how and
why life changes over time. Provides the explanation for why all
EXAM ACTUAL EXAM 300 COMPLETE REAL QUESTIONS
AND CORRECT ANSWERS (100% CORRECT VERIFIED
SOLUTIONS) |GUARANTEED PASS.
Abiotic - Answer-Non-living, may be within or made by a living
organism.
Biotic - Answer-Living. Matter is considered ______ if it was
ever alive at some point in time
Atom - Answer-Smallest level. The basic unit of matter.
Consists of a dense nucleus surrounded by electrons.
Molecule - Answer-Second level. A chemical structure
consisting of at least two atoms held together by a chemical
bond.
Macromolecule - Answer-Third level. Biologically important
molecules that are technically polymers. Example: DNA.
Cell - Answer-Fourth level. The fundamental unit of life.
Essentially a tiny droplet of water and other molecules enclosed
by a fluid "skin" or membrane. The smallest and simplest entity
that possesses all the characteristics of life.
,Organelle - Answer-Fifth level. Compartments inside the cell
that contain specific groups of macromolecules and carry out
specific cellular functions. One of these organelles is the
nucleus; it encloses the DNA within the cell.
Microorganism - Answer-Sixth level. Single-celled life form.
Consists of just one cell and include unicellular organisms such
as bacteria and protests.
Tissue - Answer-Seventh level. Formed when similar cells work
together to fulfill the same detailed function.
Organ - Answer-Eighth level. Collections of tissues that work
together to carry out a common general function. Present not
only in higher level animals but also in plants.
Organ System - Answer-Ninth level. Consists of functionally
related organs. Mammals have many.
Organism - Answer-Tenth Level. Individual living entities that
survive and reproduce as a unit. For example, each tree in a
forest.
,Population - Answer-Eleventh level. Consists of all the
individuals of a species living within a specific area.
Community - Answer-Twelfth level. Populations can interact
with each other in positive and negative ways, and together they
form this.
Ecosystem - Answer-Thirteenth level. Consists of all the living
things in a particular area together with the abiotic, or nonliving,
parts of that environment.
Biosphere - Answer-Fourteenth level. The highest level of
organization in living systems. The collection of all ecosystems
on Earth. Includes all habitable zones on the planet, including
land, soil, and rocks to a great depth in the Earth's crust; water
and ice; and the atmosphere to a great height.
Emergent Properties - Answer-Characteristics of a system that
are not present in any of its component parts.
Biology - Answer-The scientific study of life and is the branch
of science that studies living organisms and the way organisms
interact with their environments.
, Homeostasis - Answer-The ability or tendency of organisms and
cells to maintain stable internal conditions.
Nutrient - Answer-Any matter an organism needs but cannot
make for itself.
Energy - Answer-The capacity to do work or to make a change
in the location, temperature, or structure of matter. Does not
have mass and it does not take up space, but it can be measured
in terms of what it does.
Growth - Answer-An increase in size.
Development - Answer-Structure and function change in an
orderly way as an organism passes through its life cycle. An
individual's pattern of _______ is partly determined by genetic
instructions.
Reproduction - Answer-Occurs when an individual organism
passes on its genetic information to a newly independent
organism, or offspring.
Evolution - Answer-A scientific theory that explains how and
why life changes over time. Provides the explanation for why all
