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Biology Chapter 1
Biology by Sylvia S. Mader
| Question | Answer |
|---|---|
| What is Biology | The scientific study of life. |
| All living things share...? | The same basic characteristics. |
| Cell | The basic unit of structure and function of all living things. Formed by molecules joining together. |
| Emergent Properties | A property which a collection or complex system has, but which the individual members do not have. Ever changing. |
| Living things are... | Organized. |
| Biosphere | The zone of air, land, and water where organisms exist. |
| Ecosystem | A community plus it's physical environment. |
| Community | A collection of interacting populations within the same environment. |
| Population | All the members of a species within and area. |
| Species | A group of similar, interbreeding organisms. |
| Organism | Formed when organ systems are joined together. |
| Organ Systems | Formed by organs working together. |
| Organs | Made up of tissues. |
| Tissues | Formed by cells combining together. |
| Molecules | Formed by atoms combining together. |
| Atoms | The organization of life begins with atoms. |
| Life requires...? | Materials and energy. |
| Energy | The capacity to do work. |
| Metabolism | All the chemical reactions that occur in a cell. |
| What is the ultimate source of energy? | The sun. |
| Photosynthesis | As process that converts solar energy into the chemical energy of carbohydrates. |
| What is a plant's metabolism? | Photosynthesis |
| What flows from the sun? | Energy |
| How are chemicals returned to living plants? | As a result of death and decomposition. |
| Ecosystems are characterized by what? | Chemical cycling and energy flow. |
| What cycles from the earth? (decomposers) | Chemicals |
| Homeostasis | The maintenance of internal conditions within certain boundaries. |
| What do living things maintain? | Homeostasis |
| Stimuli | When living things interact with the environment and respond to changes in the environment. |
| What reproduces and developes? | Living things |
| What are genes composed of? | DNA |
| When organisms reproduce, what do they pass on to the next generation? | Genes |
| Adaptaion | Any modification that makes an organism better able to function in a particular environment. |
| Evolution | The change in a population of organisms over time to become more suited to the environment. |
| What explains the diversity and unity of life? | The theory of evolution |
| What is the evolutionary mechanism proposed by Charles Darwin? | Natural selection |
| What fuels natural selection? | Mutations |
| Taxonomy | The discipline of biology that identifies, names, and classifies organisms according to certain rules. |
| Systematics | The study of evolutionary relationships between organisms. |
| List the classification categories from least inclusive to most inclusive. | Species, genus, family, order, class, phylum, kingdom, and domain |
| Domain Archaea | Contains unicellular prokaryotes that live in extreme environments probably similar to the primitive earth. |
| Prokaryotes lack what? | A membrane-bound nucleus. |
| Domain Bacteria | Contains unicellular and multicellular prokaryotes that live in all environments. |
| Domain Eukarya | Contains unicellular and mulicellular eukaryotes. |
| Eukaryotes contain what? | A membrane-bound nucleus. |
Created by:
ktippetts
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