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Biology
Is the scientific study of life.
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All living things display... (7 things)
- order
- regulation
- growth and development
- energy utilization
- responce to the environment
- reproduction
- evolution
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Biosphere
Includes all environments on earth that suports life.
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Ecosystem
Living and non-livingthings in an environment.
(Air, Water, Plants, Animals)
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Communities
All living things in an environment.
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Populations
One species
(Mouse)
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Organism
An individual living thing.
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Tissues
A group of similar cells preforming a specific function.
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Cells
Smallest unit of life that can display all charactoristics of life.
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Organells
Functional componets of cells.
(Nucleus)
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Molecules
Clusters of atoms
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Atoms
Smallest unit of matter that retains the properties of an element.
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Prokaryotic
Simple and small with no organells.
Bacteria
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Eukaryotic
large, complex, contains organells.
(plants and animals)
Nucleus is the largeswt organel in this cell.
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Genes
Are the units of inheritance that transmits information from parents to offspring.
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What are the four letters in DNA
A, G, C, T
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Genome
The book of genetic instructions that an organism inherits.
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3 Domains of life
- Bacteria -> prokaryotic cells
- Archaea ->prokaryotic cells
- Eukara -> plant, fungi animilia protists (single cell)
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What are the two main points in Darwin's book?
- Descents with modifications
- Natural selection
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Darwin's observations
over population and competition (100 eggs layed by one femail)
individual variation (hair, skin, eyes)
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Artificial selection
Selective breeding of domesticated plants and animals by humans.
(dog breeds)
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Natural selection
Strongest and fittest survive to breed.
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Discovery science
varifiable observations and mesurments.
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Hypothesis driven science
The key elements of the scientific method.
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Theory
Much broader in scoope then a hypothesis.
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