Chapter 1, Botany
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(4) Major impacts on the environment
-cleared natural vegetation
-dumped wastes and pollution
-used pesticides and herbicides
(6) ways to reduce our environmental impact
-change agricultural practices
-render pollutants harmless
-replace pesticisdes with biological pest controls
-conserve water and energy
-preserve habitats and species
(Scientific Method) Hypothesis
tentative, unproven explanation of an observation
(Scientific Method) Experiment
test to determine if a hypothesis is correct
- must be repeatable
-must have variables.
(Scientific Method) Data
results from the experiment
(Scientific Method) principle
useful generalization derived from experimental data
(Scientific Method) Theory
grouping of related principles
(Plant Studies) Plant Anatomy
internal structure of plants
(Plant Studies) Plant Physiology
(Plant Studies) Plant taxonomy
describing, naming and classifying plants
- plant systematics
- - developing methods for classifying and naming plants
(Plant Studies) Plant Geography
(Plant Studies) Plant Ecology
interaction between plants and their environments
(Plant Studies) Plant Morphology
form and structure of plants
(Plant Studies) Genetics
science of hereditary
- potential development of better agricultural, medicinal, and other use of plants
(Plant Studies) Cell bioogy
cell structure and function
(Plant Studies) Economic botany and Ethnobotany
practical uses of plants and plant products
-still vast amounts of botanical information yet to be discovered.
Plant life constitutes more than...
Scientific Method steps
-study of tree rings
-falls under Plant Anatomy
Name of a book that helped increase awareness of the field ecology...
Silent Spring by Rachel Carson
Founder of plant genetics...
other name for cell biology
study of botany has orgins from what time period?
Tropical rainforests occupy only how much % of Earth?
Characteristcics of plants
-carry out photosynthesis
-stationary (most); Algae move
-open system of growth (continues growing); delay of growth during winter or certain conditions
- Cell walls (most); bacteria also have cell walls and they arent plants.
-green color; Not all plants are green
Isnt a plant...
-2 cotyledons, develop above ground
-primary root usually present
-growth either herbaceous or woody
-vascular bundles usually forming a ring
-leaves usually net-veined
-flower parts ususally 4 or 5
-1 cotyledon, usually develop under ground
-roots usually fibrous
-growth is mostly herbaceous
-vascular bundles scattered
-leaves usually parallel-veined
-flower parts usually in multiples of 3
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