WGU C190 INTRO TO BIOLOGY FINAL EXAM AND
PRE ASSESSMENT EXAM 2024 ACTUAL EXAM
COMPLETE 500 QUESTIONS WITH DETAILED
VERIFIED ANSWERS (100% CORRECT ANSWERS)
/ALREADY GRADED A+
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Terms in this set (311)
Non-living, may be within or made by a living
Abiotic
organism.
Living. Matter is considered ______ if it was ever alive at
Biotic
some point in time
Smallest level. The basic unit of matter. Consists of a
Atom
dense nucleus surrounded by electrons.
Second level. A chemical structure consisting of at
Molecule
least two atoms held together by a chemical bond.
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Third level. Biologically important molecules that are
Macromolecule
technically polymers. Example: DNA.
Fourth level. The fundamental unit of life. Essentially a
tiny droplet of water and other molecules enclosed
Cell by a fluid "skin" or membrane. The smallest and
simplest entity that possesses all the characteristics of
life.
Fifth level. Compartments inside the cell that contain
specific groups of macromolecules and carry out
Organelle
specific cellular functions. One of these organelles is
the nucleus; it encloses the DNA within the cell.
Sixth level. Single-celled life form. Consists of just one
Microorganism cell and include unicellular organisms such as bacteria
and protists.
Seventh level. Formed when similar cells work
Tissue
together to fulfill the same detailed function.
Eighth level. Collections of tissues that work together
Organ to carry out a common general function. Present not
only in higher level animals but also in plants.
Ninth level. Consists of functionally related organs.
Organ System
Mammals have many.
Tenth Level. Individual living entities that survive and
Organism
reproduce as a unit. For example, each tree in a forest.
Eleventh level. Consists of all the individuals of a
Population
species living within a specific area.
Twelfth level. Populations can interact with each other
Community in positive and negative ways, and together they form
this.
Thirteenth level. Consists of all the living things in a
Ecosystem particular area together with the abiotic, or nonliving,
parts of that environment.
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