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2. Unnumbered Figure page 2
Biology: the Study of Life
What are the fundamental properties of life?
Unnumbered Figure page 2
Cellular Structure (cell = unit of life)
Organisms
Life forms
are
are considered “alive”
because they
acquire
and
use
are made
up of one
or more
process
capable of
are a
product
Energy
Cells
Information
Replication
Evolution

3. Biology: the Study of Life
What are the fundamental properties of life?
Cellular Structure (cell = unit of life)

4. A Bacterium
B Archaeon
C Protist
E Fungus
F Animal
D Plant

5. Captions for previous slide:
A: a light micrograph of a magnetotactic bacterium (
B: a scanning electron micrograph of an archaeon (
C. a transmission electron micrograph of a protist (
D. a light micrograph a primitive plant cell (
E. an x-ray tomograph of a fungal cell (
F. a computer-generated image of two animal cells ( 5

6. Biology: the Study of Life
What are the fundamental properties of life?
Cellular Structure (cell = unit of life)
Metabolism = Homeostasis (PSN, Resp, N2fix, ferment, etc.)
Growth = irreversible change in size
Movement…includes internal, limbs, locomotion
Reproduction…failure = extinction
Acclimatization-short term responses = behavior
Adaptation-long term responses = evolution

7. Biology is multidimensional
This array is an example of what dimension?
Levels of Organization
What fields of biology are at each extreme?
Biochemistry and Biophysics
In this course our focus will be upon…
The Organism!
Cell
Tissue
Organ
Organ System
Organism
Population
Community
Ecosystem

8. Big Picture Page 16 Figure 1.1

9. Levels of biological organization
Big Picture Page 16 Figure 1.2
MULTICELLULAR
ORGANISM
ORGAN SYSTEM
Levels of biological organization
ORGAN
Scientists regularly
integrate across
many of these levels
TISSUE
CELL

10. Levels of biological organization
Big Picture Page 16 Figure 1.3
CELL
ORGANELLE
Levels of biological organization
Scientists regularly
integrate across
many of these levels
MOLECULE
ATOM

11. What is the white mass at the top?
Ecosphere
What is the white mass at the top?
What is the big green-brown body in the upper half?
What season is it in Connecticut?
What are the white swirls?
Where is the equator?

12. Biome: deciduous forest biome What is one source for the water?

13. Ecosystems: forest, riverine, old field, disturbed

14. Forest ecosystem: a community of trees
What are the different colors and shapes?
What are we not seeing without a closer look?

15. Forest Community: What do producer, consumer, decomposer mean?

16. Population of trees--OK only if ONE species? Is that valid?

17. Organism: one tree
Why is this one tree so different from those individuals in the previous picture?

18. Organ System: branch with stem, buds, petioles, leaves

19. Organ: one leaf blade petiole
petiole

20. Tissues: epidermis, palisade and spongy mesophyll, xylem, phloem
window, lens
palisade mesophyll
photosynthesis
xylem
water and mineral intake
phloem
sugar and amino acid export
spongy mesophyll
evaporative cooling (photosynthesis)
epidermis
regulates water loss and gas exchange

21. Cell: a mesophyll protoplast (Cell wall was digested off by cellulase)
cell membrane
import/export
chloroplast
photosynthesis
nucleus
transcription
replication
vacuole
toxic waste processing
cytosol
fermentation glycolysis

22. Biology is multidimensional
This array is an example of what dimension?
Levels of Organization
What fields of biology are at each extreme?
Biophysics and Biochemistry
In this course our focus will be upon…
The Organism!
Of course some organisms consist of just one cell!
Some organelles are derived from an endosymbiotic organism!
Ecosphere
Ecosystem
Community
Population
Organism
Organ System
Organ
Tissue
Cell
Organelle
Molecule

23. endoplasmic reticulum, nucleus, mitochondrion, oleosome
Organelles:
endoplasmic reticulum, nucleus, mitochondrion, oleosome
endoplasmic reticulum
internal transport
nucleus
transcription, replication
DNA
zymogen granule
enzyme protein storage
and secretion compartment
mitochondrion
respiration

24. Macromolecular: DNA ribose sugar phosphate nitrogenous bases
(green white)
phosphate
(yellow red)
nitrogenous bases
(blue green white red)

25. Biology is multidimensional
This array is an example of what dimension?
Levels of Organization
What fields of biology are at each extreme?
Biophysics and Biochemistry
In this course our focus will be upon…
The Organism!
Of course some organisms consist of just one cell!
Some organelles are derived from an endosymbiotic organism!
Ecosphere
Ecosystem
Community
Population
Organism
Organ System
Organ
Tissue
Cell
Organelle
Molecule
Bio 130
Bio 120
Bio 220
Che