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Bio 101 Exam 1 Questions And Answers With Verified Solutions Latest Updated 2024/2025
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Bio 101 Exam 1 Questions And Answers With Verified Solutions Latest Updated 2024/2025
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Bio 101 Exam 1 Questions And AnswersWith Verified Solutions Latest Updated
2024/2025
what are the five characteristics of life? - ANSWER✔✔ 1) made up of one or more
cells. 2) acquire and use materials and energy. 3) reproduce. 4) sense and respond
to stimuli. 5) adapt to their environment
basic unit of structure and function - ANSWER✔✔ cell
eukaryotic cell - ANSWER✔✔ cell that contains membrane-enclosed organelles,
including a nucleus
prokaryotic cell - ANSWER✔✔ cell that lacks a nucleus or other membrane-bound
organelles
producers (autotrophs) - ANSWER✔✔ can convert the energy of sunlight into the
chemical energy of sugars
consumers (heterotrophs) - ANSWER✔✔ acquire energy by feeding on food that
comes from other organisms
how does energy flow through the ecosystem - ANSWER✔✔ enters as light from
the sun. plants convert it to chemical energy, which are passed to organisms that
eat the plants, and they use it for energy to do work. Heat is lost and the chemical
energy is recycled by decomposers by into the soil.
,_________ provies blueprints for making __________, the major players in
building and maintaining a cell - ANSWER✔✔ DNA, proteins
as cells grow and divide, the genetic information encoded by _____ directs their
development - ANSWER✔✔ DNA
Adaptation - ANSWER✔✔ change of an organism that improves its chances of
living and/or reproducing. they allow groups/individuals to become more suited to
their environment
how many hierarchial levels of biological organization are there, and name them in
order from largest to smallest - ANSWER✔✔ 10 levels of organization
biosphere, ecosystems, communities, populations, organisms, organs, tissues, cells,
organelles, molecules
emergent properties - ANSWER✔✔ New properties that arise with each step
upward in the hierarchy of life, owing to the arrangement and interactions of parts
as complexity increases.
at each level of the biological hierarchy we find a correlation between _________
and ____________. - ANSWER✔✔ structure and function
what are the three domains of life? - ANSWER✔✔ Bacteria (unicellular
prokaryotes), Archaea (unicellular prokaryotes), Eukarya (unicellular or
multicellular eukaryotes)
What are the four kingdoms of Eukarya? - ANSWER✔✔ protists (mostly
unicellular), plants (multicellular), fungi (most multicellular), animals
(multicellular)
, what is a scientific theory? - ANSWER✔✔ general and reliable explanation for
important natural phenomena. They are extensively and reproducibly tested, and
based on natural laws. It's not a hypothesis, and may be modified or discarded
how do scientific theories arise? - ANSWER✔✔ inductive reasoning
What is inductive reasoning? - ANSWER✔✔ creating generalization from many
observations
scientific theories support ___________ - ANSWER✔✔ deductive reasoning
What is deductive reasoning? - ANSWER✔✔ generating hypotheses based on
well-supported generalization (such as a theory)
the actions of an organism are based on activities of ________.
a. cells
b. organs
c. tissues
d. organ systems - ANSWER✔✔ a. cells
what is the correct order from smallest to largest?
a. cell, organelle, organ system, community, ecosystem
b. molecules, organism, population, community, biosphere
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