- - AGRICULTURAL CORE CURRICULUM - -
(CLF300) Core Area: PLANT SCIENCE
(CLF310) Unit Title: BASIC BOTANY
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(CLF313) Topic: IMPORTANCE OF Time Taught in Year(s)
PLANTS TO MAN 1 hour 1
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Topic Objectives: Upon completion of this lesson the student will
be able to:
Learning
Outcome #:
(A-2) - List necessities of mans life that are furnished by
plants.
Special Materials and Equipment: None.
Evaluation: Written test or quiz.
TOPIC PRESENTATION: IMPORTANCE OF PLANTS TO MAN
A. Plants are important to man in many ways.
1. Plants provide oxygen to animals. A lawn of 4,000 sq. feet provides
enough oxygen for a family of five. Plants in the world forests,
rangelands and the tropical rain forest provide oxygen globally.
2. Plants are a source (usually the first) of food for animals
(including man) in the food chain.
a) The plants are the first to change elemental energy (like
minerals and sunlight) into a form which more complicated
organisms can digest.
3. Plants provide fiber which is manufactured into fabric and clothing.
4. Plants can be used to produce shelter, fencing, roofing materials
and other building materials.
5. Plants also produce many by-products such as turpentine, dyes,
resin, mulch, decorative bark, etc.
6. Plants can be used to modify the environment by providing:
a) shade,
b) windbreaks,
c) erosion control protection for watershed,
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d) noise control,
e) reduction of glare,
f) beautification,
g) production of nitrogen in legumes to enrich the soil,.and
h) plants act as settling chambers for particulate pollution.
(Particles of pollution taken from the air.)
7. Plants provide many medicinal products such as penicillin and
digitalis.
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ACTIVITY:
Have the students collect newspaper articles about plant
uses and summarize them through an oral report to the class.
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