Biology - ️️the scientific study of life
Biologists explore life at levels ranging from - ️️the Biosphere to the molecules that
make up the cell
Ecosystem - ️️All living organisms in a specific area, along with all non-living
factors with which they interact.
The Dynamics of any ec...
FAMU BSC 1005 Chapter 1
Biology - ✔️✔️the scientific study of life
Biologists explore life at levels ranging from - ✔️✔️the Biosphere to the molecules that
make up the cell
Ecosystem - ✔️✔️All living organisms in a specific area, along with all non-living
factors with which they interact.
The Dynamics of any ecosystem depends on two main processes - ✔️✔️recycling of
nutrients and flow of enery
The Cell - ✔️✔️The lowest level at which properties of life emerge
Two Major Types of Cells - ✔️✔️Prokaryotic and Eukaryotic
Prokaryotic Cell - ✔️✔️Cell that is simpler and usually smaller and charactersitic of
bateria
Eukaryotic Cell - ✔️✔️Cell that is subdivided by internal membranes into different
functional compartments called organelles and found in plants and animals
DNA - ✔️✔️The chemical material of genes
Genes - ✔️✔️The units of inheritance that transmit information from parents to
offspring
The chemical language of DNA is common to all organisms and consists of just four
molecular building blocks with names that are
abbreviated as - ✔️✔️A, G, C, T
Genome - ✔️✔️The entire "book" of genetic instructions that an organism inherits
The diversity of known life includes about - ✔️✔️1.8 million species
Estimates of the total number of species range from - ✔️✔️10 million to over 100
million.
Taxonomy - ✔️✔️the branch of biology that names and classifies species
The three domains of life are - ✔️✔️Bacteria, Archaea, and Eukarya
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