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22 Cards in this Set
- Front
- Back
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biology |
the study of living things |
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homeostasis |
condition in which organisms keep their internal environment stable |
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community |
different populations that live together in one area |
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population |
group of individuals that belong to the same species and live in the same area |
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metabolism |
combination of chemical reactions through which an organism builds up or breaks down materials |
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catabolism |
hydrolisis reactions (splitting with water) |
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anabolism |
dehydration synthesis reactions (building molecules and releasing water) |
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list the three domains |
bacteria, eukaryota, and archaea |
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list the six kingdoms |
Plants, Animals, Protists, Fungi, Archaebacteria, Eubacteria |
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eukaryote |
organism whose cells contain a nucleus |
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prokaryote |
organism whose cells do not contain a nucleus |
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characteristics of living things |
organization, structure and function, energy flow, reacting to environmental change, maintenance of internal constancy, reproduction, growth, and development |
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what is the relationship between structure and function? (strunction) |
structures evolve to make functions possible |
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Levels of Hierarchy |
Atom>Molecule>Cell>Tissue>Organ>Organ System>Organism |
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What scientists proposed the cell theory and what instrument led to the theory? |
Hooke, Leeuwenhoek, Schleiden, Virchow, and Schwann; the microscope |
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what is the difference between plant/animal cells and bacterial cells? |
bacterial cells do not have nuclei |
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How does energy flow through an ecosystem? |
flows in only one direction, starts from the sun and is transferred from one organism to another |
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what organisms totally depend on sunlight? |
producers |
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Is energy cycled through an ecosystem? |
Energy is not a cycle, it flows one way |
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Does matter cycles through an ecosystem? |
Yes |
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negative feedback |
eg: regulation of body temperature or blood pressure changes |
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taxonomic levels (King Philip Came Over For Great Salad) |
kingdom phylum class order family genus species |
