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Definition
| The science of living organisms and life processes. |
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Definition
the property by which living organisms are distinguished from dead
Organisms or inanimate matter |
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| 7 Characteristics of life? |
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Definition
1. complex
2. response to stimuli
3. homeostasis
4. aquires material and energy
5. growth
6. reproduction
7. ability to evolve |
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Definition
| Each level has ingredients or components which interact to make something greater than the sum of the parts |
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Definition
| Organisms react to external and internal stimuli. Some reactions are slow and can’t be seen |
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Definition
| the ability to maintain the structure and regulate the internal environment |
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| Ability to aquire material and energy? |
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Definition
| The material and energy are often transformed. Energy is used to maintain a high level of complexity and organization, to grow, and to reproduce |
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| Organisms can take in _____ for raw materials and ______ |
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Definition
| nutrients(food), Energy(heterotrophs) |
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| using sunlight for energy is called what? and who does it? |
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Definition
| Photosynthesis, autotrophs |
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Definition
| basically the sum total of all of the chemical reactions that occur within an organism |
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Definition
| If the environment changes, then the population of organisms must change to fit the environment or face the possibility of extinction |
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| This process of survival of the fittest is |
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Definition
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Definition
| The evolutionary changes are usually slow, taking several generations and occur by the accumulation of DNA changes |
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| Each of the major organizational groups that all living organisms are organized into are |
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Definition
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| What types of domains are there? |
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Definition
| Two prokaryotic (bacteria and archaea) and a eukaryotic (eukarya) |
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| within the domains there are at least 6 groups known as |
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Definition
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| difference between prokaryotes and eukaryotes? |
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Definition
Pro: no nucleus, genetic material in a 'nucleoid region', no organelles or internal membranes.
Euk: nucleus, genetic material within nucleus, contains cytosol with membrane-bound organelles |
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| What are the 6 kingdoms with their domains? |
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Definition
1. bacteria, prok.
2. archaea, prok.
3. protista, euk.
4. fungi, euk.
5. plantae, euk.
6. animalia, euk. |
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Term
| The 6 kingdoms with their domain and cell number? |
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Definition
1. bacteria, prok., uni.
2. archaea, prok., uni.
3. protista, euk., uni.
4. fungi, euk., multi.
5. plantae, euk., multi.
6. animalia, euk., multi. |
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| 6 kingdoms with domain, cell number, and nutirional method? |
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Definition
1. bacteria, prok., uni., absorb/photo
2. archaea, prok., uni., absorb/photo
3. protista, euk., uni., absorb/photo/ingest
4. fungi, euk., multi., absorb
5. plantae, euk., multi., photo
6. animalia, euk., multi., ingest |
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| the basic unit of all matter is: |
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Definition
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Definition
| is the smallest unit of matter that retains the physical and chemical properties of the element |
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| The 3 most stable subatomic particlesin an atom are: |
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Definition
| neutrons, protons, and electrons |
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Definition
| are positively charged particles found at the core, or nucleus, of the atom |
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Definition
| are uncharged particles found at the core, or nucleus, of the atom |
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Definition
| are light, negatively charged particles that orbit around the nucleus in electron shells |
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| A collection of atoms of the same type form an: |
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Definition
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Definition
| is a substance that can’t be broken down into other substances by chemical reactions |
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Definition
| is the number of protons plus the number of neutrons |
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Definition
| are atoms of the same element which have different atomic weights |
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Definition
| are the three-dimensional space around the nucleus of an atom where an electron will be found 90% of the time. |
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| how are the electron orbitals arranged? |
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Definition
| in electron shells based on their energy level |
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| How is the chemical behavior of an atom determined? |
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Definition
| by the number of electrons in the outermost electron shell |
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Definition
| An atom with an incomplete (partially full) |
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Definition
| an atom with a full electron shell, or chemically inactive |
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Definition
| an attraction that holds two atoms together |
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Definition
| two or more atoms held together by chemical bonds |
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