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53 Cards in this Set
- Front
- Back
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Variable |
Thing that allows you to change to test hypothosis. |
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Independent Variable |
manipulated variable that is intentionally left by experimenter. |
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Dependent variable |
the factor that may change as a result because of the independent variable |
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Control variable |
the variables that are kept constant |
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Control group |
Part of the experiment that has normal conditions to use for comparison |
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Prokaryote |
Cells without nuclei, spiral DNA, and no membrane-bound organelles. |
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Eukaryote |
Cells with nuclei and has many membrane bound organelles. |
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Organinsm |
A living thing |
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Unicellular |
Organisms made of a single cell. |
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Multicellular |
Made of many cells |
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Sexual reproduction |
2 multicellular parents, involves eggs and sperms. |
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Asexual reproduction |
1 unicellular parent, involves dividing in half. |
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DNA |
Large molicule, contains instructions for building proteins. Makes all living things. |
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Stimulus |
Something that causes a living thing to react. |
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Responce |
The reaction to stimulus |
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Characteristics of Living Things (MUSHR-GD) |
1.DNA 2.Reproduce 3.Sense (Respond to change) 4.Made of cells 5.Uses energy 6.Grows 7. Homeostasis (EX: Sweating when hot) 8.Gives off waste |
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All living things are..... |
-Made of cells -Come from preexisting cells -Basic unit of life |
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Plant and animal cells have: |
- a cell membrane -Cytoplasm -a golgi complex -Ribosomes -Lysosomes -Endoplasmic Reticulum -Nucleus -Mitochondrion |
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More common in plant cells: |
-Vacuole -Chloroplast -Chlorophyll -Cell Wall |
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Levels of orginazation of living things: |
Atom-smallest particle Molecule-combination of atoms Organelles-material in cells with specific function Cells-Basic unit of all living things Tissues-Group of cells Organs-Group of tissues Organ System-Group of organs Organism- humans |
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Passive transport |
Movement of small particles without using energy |
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Diffusion |
High to low concentration |
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Osmosis |
Low to high concentration |
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Active Transport |
Movement of large particles with use of energy |
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Endocytosis |
Low to high with the use of energy |
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Exocytosis |
low to high with use of energy |
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Cellular Respiration |
How things get energy for their cells |
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Photosynthisis |
Takes place in the chloroplast and the chlorophyll helps |
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Prokaryotic Cell Division: |
Binary Fission |
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Eukaryotic Cell Division: |
Interphase Mitosis |
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Mitosis |
Prophase-Chromosomes condense, form rod like structures Metaphase- Chromosomes meet in middle Anaphase-Chromosomes are pulled apart to opposite sides Telophase-Nuclear membrane forms Cytokinesis- Splits apart |
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Charles Darwin |
"Father of Evolution" |
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Evolution |
When populations accumulate inherited changes |
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Adaptation |
Behavioral or structural change that helps an organism to thrive |
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Natural Selection |
When "nature" selects traits that best fit the enviorment |
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Mutations |
Change in the genes |
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Specitation |
Creates a new species |
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Classification |
Putting organisms into groups |
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Levels of classification |
Domain Kingdom Phylum Class Order Family Genus Species |
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Scientific name |
Made of genus and species |
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Bacteria |
Prokaryotic, producers consumers, or decomposers that are unicellular. Mostly use asexual reproduction, found everywhere |
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Bacteria (A) |
99% of bacteria are good for you |
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Bacteria (B) |
Bacteria can be used to create food, medicine and digests waste. |
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Archaea |
Prokaryotic, producer,consumer,decomposer that are unicellular, mostly use asexual reproduction, and are found in extreme enviroments |
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Fungi |
Eukaryotic decomposer composed of hyphae, can be uni or multicellular and reproduce with spores |
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Protista |
Eukaryotic, producer, consumer, or decomposers that can be uni or multicellular and reproduce using a variety of methods |
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Plants |
Eukaryotic producers that are multicellular. Contain Chloroplast for photosynthesis. They reproduce by spores and seeds. |
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Leaves |
Produce food by gathering sunight |
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Stem |
Supports the leaves and transports materials |
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Roots |
Takes in water and minerals. Also anchors plants into the ground |
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Animals |
Eukaryotic consumers that are multicellular. Almost all have a nervous system, and use locomotion for food |
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Invertebrates |
1. Sponge 2. Cnidarian 3. Mollusks 4. Worm 5. Echinoderm 6. Arthopods |
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Vertebrates |
1. Fish 2. Birds 3. Amphibian 4. Reptile 5. Mammal
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