Term
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Definition
| The scientific study of life. |
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Term
| What are the charecteristics of living things? |
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Definition
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Complex
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Organized
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Respond to a stimuli
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Maintain Homeostasis
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Acuire materials
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Use energy
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Grow
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Reproduce
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Evolve
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Term
| List the increasing hierachy of structures: |
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Definition
- Chemical Foundation (i.e. atoms, elements, molecules)
- Cell
- Tissue
- Organ
- Organ System
- Organism
- Species
- Population
- Community
- Ecosystem
- Biosphere
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Term
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Definition
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Term
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Definition
| Plants and other photosynthetic organism that provide the food for the ecoystem. |
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Term
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Definition
| Plants trap energy from teh sunlight + Carbon Dioxide from the air + water molecules from the soil into sugar molecules, also called autotrophs. |
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Term
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Definition
| Are the animals that eat other animals or plants, also called heterotrophs. |
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Term
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Definition
| Bacteria, fungi or small animals that decompose the remains of dead organisms. Acts as recyclers. |
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Term
| What are the two major processes of the dynamics of the ecosystem? |
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Definition
- Recycling chemical nutrients
- The flow of energy
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Term
| Organisms acquire the ___ and ___ they need from ___ extracted from the ___ and incorporated into the molecules of the organisms body. |
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Definition
- Atoms
- Molecules
- Nutrients
- Environment
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Term
| Where else can plants absorb nutrients and add them to molecules? |
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Definition
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Term
| Give an example organisms responding to a stimuli. |
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Definition
- Animals waking up to sunlight, sound, chemicals and many other things in their surroundings.
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Term
| Where can nutrients can come from? |
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Definition
- Air
- Soil
- Water
- Living Things
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Term
| Give an example of a living organism maintaining homeostasis. |
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Definition
- Sweating during exercise
- Metabolizing food in cold weather
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Term
| What can the web of relationships include. |
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Definition
- Plants
- Animals
- Microorganisms
- physical environment shapes the ecosystem
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Term
| Types of names of the three groups of living things? |
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Definition
- Heterotrophs (Consumers)
- Autotrophs (Producers)
- Decomposers
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Term
| Consumers take in ___ and give out ___. |
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Definition
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Term
| Chemical nutrients ___ within an ecosystem's structural web. |
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Definition
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Term
| What does growth involve? |
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Definition
| The conversion of materials acquired from the environment into the specific molecules from the environment into the specific molecules of the organisms body. |
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Term
| What controls an organisms pattern of growth and development? |
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Definition
| Inherited information carried by genes |
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Term
| What is the molecule of heredity? |
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Definition
| DNA (deoxyribonucleic acid) |
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Term
| What are the segments of DNA called? |
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Definition
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Term
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Definition
| The genetic blueprint or molecular instruction manual, a guide to both the construction and the operation of its body. |
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Term
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Definition
- Accidents to genetic material
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Term
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Definition
| The unifying theory that explains the origin of diverse forms of life as a result of changes in their genetic makeup. |
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Term
| What is the scientific theory? |
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Definition
| That modern organisms descended, with modification from preexisting life-forms, and that ultimately, all forms of life on Earth share a common ancestor. |
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Term
| What is natural selection? |
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Definition
| The most important force in evolution, the process by which organisms with adaptions survive and reproduuce more successfully than do others that lack those traits. |
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Term
| What are the three domains in which organisms can be grouped in? |
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Definition
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Term
| What does it mean when an organism is aerobic? |
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Definition
| The organism needs oxygen to survive. |
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Term
| What does it mean for an organism to be anaerobic? |
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Definition
| The organism does not need oxygen for it's survival. |
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Term
| Give examples for bacteria. |
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Definition
- Aerobic bacteria
- Consist of single & simple cells
- Are unicellular
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Term
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Definition
- Anaerobic bacteria
- Consist of single & simple cells
- Are unicellular
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Term
| Give examples of Eukarya: |
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Definition
- Composed of one or more highly complex cells
- Are multicellular
- Humans are part of this group
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