Answered: BELL JAR EXPERIMENT In the early…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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BELL JAR EXPERIMENT

In the early 1770s, Joseph Priestley conducted a series of experiments that led to the discovery of the intimate relationship between plant and animal life.

In his principal experiment, Priestley placed a mouse within a sealed jar and observed it to eventually perish (a and b). When repeated with sprigs of mint within the jar, neither did the mouse die “nor was it at all inconvenient to a mouse” (c and d).

He had made the breakthrough that plants produce a substance which is life-giving to animals and then went on to describe it “dephlogisticated air”, which, thanks to the French chemist Antoine Lavoisier, soon became known as “oxygen”.

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BELL JAR EXPERIMENT
In the early 1770s, Joseph Priestley conducted a
series of experiments that led to the discovery of
the intimate relationship between plant and animal
life.
In his principal experiment, Priestley placed a
mouse within a sealed jar and observed it to
eventually perish (a and b). When repeated with
sprigs of mint within the jar, neither did the mouse
die "nor was it at all inconvenient to a mouse" (c and
d).
ج ا...
He had made the breakthrough that plants produce
a substance which is life-giving to animals and then
went on to describe it "dephlogisticated air", which,
thanks to the French chemist Antoine Lavoisier,
soon became known as "oxygen".
(a)
(b)
(c)
(d)
2. Based on Priestley's experiments, what gas is
released by the plants?

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Priestley's experiments provide solid evidence that shows that plants give off oxygen. Combining with the evidence you have received from lesson 1, please fill in the blanks.

Plants take in........from the atmosphere and release ........into the atmosphere.

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