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BIO111 Section 1

BIO111 Unity and Diversity of Life

QuestionAnswer
What is life? (4 necessary processes) 1. Metabolism (capturing and using energy); 2. Growth and development; 3. Reproduction; 4. Adaptation to change
DNA Deoxyribonucleic acid, the molecule that sets the living world apart from the non-living by carrying the hereditary instructions for new organisms
Nucleotides ATCG, what makes up DNA
Amino Acids Nucleotide triplet. 64 combinations possible.
Basic Unit of life The cell
Levels of organization in multicelled organisms subatomic particle > atom > molecule > organelle > cell > tissues > organs > organ systems > organisms > populations > communities > ecosystems > biosphere
autotropes organisms that produce their own energy
heterotropes organisms that gain energy through the consumption of other living things
ATP the gold standard of metabolism, all life converts energy to this in order to use it
metabolism capacity to acquire and use energy to survive
homeostasis internal conditions are maintained within tolerable ranges
reproduction production of offspring by one or more parents
mutations variations in DNA, problem within a gene, a nucleotide is either missing or in incorrect order within sequence, most are harmful, some harmless (neutral), give diversity
Five Kingdoms Monera; Protista; Fungi; Plantae; Animalia
groupings from least inclusive to most inclusive genera > family > order > class > division/phylum > kingdom
How to determine diversity first look at structure, then look at function (behavior is not a good way to quantify diversity)
natural selection the principle that, among the range of inherited trait variations, those that lead to increased reproduction and survival will most likely be passed on to succeeding generations
Monera single celled, bacteria, autotrophic and heterotrophic
Protista single celled, diatoms, algae, protozoans, photosynthetic autotrophs and heterotrophs
Fungi most are multicelled, water molds, mushrooms, using extracellular digestion and absorbtion
Plantae multicellular plants, mosses, ferns, seed plants, photosynthetic autotrophes
Animalia multicellular animals, sponges to humans, heterotrophs
Created by: 589793281
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