Bio 1030 Exam 1 Test Questions with Correct Answers

Themes of Life 1. All life shares common properties 2. Emergent Properties 3. Cells are structural and functional units of life 4. Organisms interact with their environment 5. Unity of life's based on DNA and genetic code 6. Diversity of life is arranged in 3 domains 7. Evolution explains life's unity and diversity 7 Common Properties 1. Order 2. Reproduction 3. Growth and Development 4. Energy Processing 5. Regulation 6. Response to the Environment 7. Evolutionary Adaptation Order(Common Property) Living cells make up complex organisms Emergent Properties New properties that arrive each step upward in the hierarchy of life Biological Hierarchy Biosphere, Ecosystem, Community, Population, Organism, Organ System, Organ, Tissue, Cell, Organelle, Molecule Genes Inheritance from parent to offspring; Grounded into DNA molecules called chromosomes; Control cell activity Carl Woese Used RNA to start Phylogenetic Taxonomy Phylogenetic Tree of life 3 domains and 23 divisions Taxonomy Branch of Biology that names species and classifies them into hierarchy 3 Domains and Definition 1. Bacteria- Most diverse Prokaryotes 2. Archea- Prokaryotes that live in extreme environments 3. Eukarya- Eukaryotic cells including Plants, Animals, Fungi, and Protists Darwin's 2 Observations for Natural Selection 1. Individual Variation 2. Overproduction of offspring