Unit 1 Part 2 Flashcards
(42 cards)
Scientific method year
1400s
A means of analyzing the physical universe
Scientific method
• Observations are used as the basis for constructing a hypothesis that predicts
the outcome of future observations or experiments.
Scientific method
All accepted informations can be derived from documented and controlled
expt.
Scientific method
____ was a firm believer in the power of experimentation and the
scientific method to uncover truth.
Sir Francis Bacon
____ experiment with stems detecting light.
Charles Darwin
Scientific method
5 steps
Identification of the problem hypothesis Experimentation Analysis Conclusion
The 3 principal methods for analyzing and explaining the universe
- Religious method
- Metaphysical system
- Speculative philosophy
Universe is assumed to be created by or to
contain deities.
Religious Method
___ as fundamental principle of all religion
Faith
In addition to natural forces, there are supernatural
, hidden forces that can never be observed or
studied.
Metaphysical System
Started with Greek philosophers
• Sought to develop logical explanations for
simple observations.
- no experiment done
Speculative philosophy
• Philosophical postulations of atoms by
______
Democritus (400 BC)
is based on the principles
of chemistry and physics
Plant metabolism
means of storing information
Genes
Which of the two statements is correct?
- Plants have roots in order to absorb water and minerals.
- Plants’ roots absorb water and mineral salts.
Right statement: 2nd statement
Properties in living things
5
Metabolism Non random organism Growth Hereditary and reproduction Adapts/con to environment
addition to five properties of living htings (2)
Develop and evolve
(explain) Metabolism Non random organism Growth Hereditary and reproduction Adapts/con to environment
Metabolism- Exchange of energy and matter
with the environment must be present
Non random - All organisms are highly structured, and decay is the process of its molecules returning to a random arrangement.
Growth - All organisms increase in size from the time they are formed
A system of heredity and reproduction - An organism must produce offspring very similar to itself such that
when an organism dies, life persists within its progeny
A capacity to respond to the environment - When conditions become dry, an organism
can respond by becoming dormant,
conserving water, or by obtaining water more
efficiently
explain
Develop
Evolve
- Develop ( young and adult ones have distinctive char)
* Evolve ( changing with time as envt changes)
evolutionary
history of plants.
Plant systematics
- Father of Taxonomy
- His system for naming, ranking, and
classifying organisms is still in wide use today
(with many changes).
Carl Linnaeus
SPECIES NAME
first word of binomial name is ____ and is always _____
Genus
capitalized
SPECIES NAME
second word refers to ____ and is ______
specific epithet
not capitalized
