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18 Cards in this Set

  • Front
  • Back
7 properties of life
1. order
2. evolution
3. response
4. regulation of enviroment
5. energy process
6. growth and development
7. reproduction
Hierarchy of structural levels in biological organization
1. biosphere
2. ecosystem
3. community
4. population
5. organism
6. organ
7. tissue
8. cells
9. molecules
all enviroment on earth inhabited by life
living & non- living components.
all species in a defined area
all individual of a single species in an area.
individual life forms.
organ and organ systems
assist the organism to function and live.
a group of similarcells working togetherfor a particular function.
fundemental unit of structure and function of life.
fuctional component making up cells.
2 or more atoms bound together.
1. DNA
a. makes up part of chromosomes/ genes
b. double helix consisting of 4 different nucleotides
c. codes for protien builders which are structure and tools of cells.
2 major dynamic process of an ecosystem
1. cycleing of nutrients
2. energy flows thru the system
a. producers- concumers- decomposers
heat E given off @ each E conservation.
prokarotic cells vs. eukaryotic cells
prokaryotic= regulatory membrane, no nucleus, DNA, nucloid region, smaller
eukaryotic cells= regulatory membrane, organells, membrane enclosed, nucleus contains DNA, larger
Emergent properties
I. "the whole is greater than sum of its parts"
A. specific arrangement and interaction of matter
1. enables life properties not found otherwise
delemma of reduction
I. studing componets of complex systems
A. to understand the complexity of the system
B. disrupt emergent properties
regulatory machenisms: Positive feed back and Negative feed back
-Negative feed back
a. most common form of regulation
b. accumulation of an end product slows down the process responsible for generation of the product.
c. ATP, insulin
-Positive feed back
a. less common form of regulation
b. end product speed up the its production
c. platlet attraction, pregnancy contractions
4 classifiction of life
I. diversity w/ in a non- species grouping
II. diversity across taxa
III. 3 domains of life
a.bacteria prokarotic cells
unicellular (most).
b.archela love salt,
prokaryotic cells,
c.eukarya cells have a
membrane have membrane
bound organells, some are
unicellular, multicellular
kingdoms w/ different
modes of nutrition.
fungi= decomosers
plantae= photosynthesizers
animalia= ingest others
IV.Unity in the Diversity of Life