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WGU C190 INTRODUCTION TO BIOLOGY EXAM QUESTIONS AND
ANSWERS WITH COMPLETE SOLUTIONS VERIFIED GRADED A++
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Practice questions for this set
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the scientific study of life
Select the correct term
1Evolution 2Ecosystem
3Biosphere
4Biology
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Terms in this set (123)
Biology the scientific study of life
1. Be made of materials organized in a hierarchical
pattern.
2. Use energy and raw materials to survive
Characteristics of Life 3. Sense and respond to changing
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environments and maintain internal stability,
or homeostasis.
4. Grow, develop, and reproduce.
5. Be part of a population that evolves.
The Cell the smallest unit that displays all characteristics of life
Matter Any substance that has mass and takes up
space. All matter can be classified as biotic
or abiotic.
Biotic Living or having lived
Abiotic nonliving and never have been alive
Atom Basic unit of matter
Molecule a chemical structure consisting of at least two
atoms held together by a chemical bond
Macromolecules Technically polymers, made by combining
smaller units called monomers. (Example -
Deoxyrbonucleic Acid [DNA])
Two main types of cells Prokaryotic and Eukaryotic
Prokaryote Small and simple, do not have clearly defined
compartments inside of them
Eukaryotes organisms made up of one or more cells that
have a nucleus and membrane- bound
organelles
Organelles compartments inside of the cell that contain
specific groups of macromolecules and carry
out specific cellular functions.
microorganism single-celled life forms
Tissues A group of similar cells that perform the same
function.
Organs A collection of tissues that work together to carry out
a common general function.
organ system the higher level of organization that consists of
functionally related organs
Organism individual living entity that survive and reproduce as a
unit
Population all the individuals of a species living in a specific area
Community All the different populations that live together in an
area
Ecosystem Consists of all the living things in a particular
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