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Biology Terms
Exam terms for Rainy's Biolgoy Class
| Question | Answer |
|---|---|
| Theory | an explanation of a natural event that is supported by a large body of observations and investigations |
| Hypothesis | a testable explanation for an unknown situation |
| Inference | an assumption based on prior experiences. |
| Experiment | a produced that tests a hypothesis by collection information under controlled conditions |
| Control Group | in an experiment, the group that is the standard against which results are compared. |
| Experimental Group | in an experiment, the group that is exposed to the factor being tested. |
| Constant | the factor that remains fixed in an experiment. |
| Independent Variable | the condition being changed by the scientist. |
| Dependent Variable | the factor that results from or depends on changes to the independent variable. |
| Data | information gained from observation |
| Hypothesis | a testable explanation of a situation |
| Quantitative Research | involving the senses |
| Qualitative Research | involving numbers and data. |
| Observation | direct method of gathering information in an orderly way |
| Scientific Method | organized series of events in scientific inquiry |
| Safety Symbol | Logo that alerts you about a specific danger during lab activities |
| Serendipity | occurrence of accidental or unexpected, but fortunate, results. |
| Wilting | the rate of water loss is greater than water absorption |
| Carbon Dioxide | required by chloroplasts to carry on photosynthesis |
| Phloem | brings food made in the leaf to other parts of plant |
| Transpiration | evaporation of water from leaves |
| Turgid | a plant is full of water |
| Xylem | brings water and minerals from roots to leaves. |
| Photosynthesis | produces O2 that we breathe |
| Vascular Bundles | contain xylem and phloem |
| Insect Trap | obtaining nitrogen |
| Spine | protection |
| Tendrils | climbing |
| Fleshy Leaves | water storage |
| Needles | prevention of water loss |
| Stomata | exchanging of gases |
| Epidermis | protection |
| Mesophyll | photosynthesis |
| Veins | conduction of food and water |
| Cuticle | waterproofing |
| Cone | contains the male or female reproductive structures of gymnosperms. |
| Flower | site of sexual reproduction, makes the seed |
| Leaves | makes glucose and oxygen using sun energy |
| Bud | site of new growth |
| Stems | transports water and food, supports all other parts |
| Roots | anchors the plant and absorbs water/minerals |
| Annual | complete life cycle in 1 growing season |
| Perennial | vegetative structures live year after year |
| Biennial | complete life cycle in 2 growing seasons. |
| Hominin | subfamily that includes only humans and human ancestors |
| Diurnal | active during the day |
| Primate | order of animals characterized by flexible hands and feet |
| Opposable First Digit | finger that can be brought opposite the other fingers |
| Anthropoid | human-like primate |
| Prehensile Tail | “fifth limb” used for grasping and support |
| Nocturnal | active during the night |
| Binocular Vision | forward-looking eyes with overlapping fields of vision that provide greater depth perception. |
| Cytoskeleton | Framework that anchors organelles within the cell |
| Lysosome | tears down old an worn out parts |
| Centrioles | aids in cell reproduction |
| Cytoplasm | contains cytosol and organelles |
| Endoplasmic Reticulum | site of protein synthesis |
| Vacuole | stores cell materials |
| Nucleus | control center |
| Mitochondria | supplies energy |
| Plasma Membrane | protective barrier around cell |
| Cell Wall | found in plants ONLY |
| Golgi Apparatus | uses vesicles to remove proteins from the cell. |
| Nuclear Envelope | membrane that surrounds the nucleus |
| Cilia | short, hair-like structures to help the cell move |
| Flagella | long, whip-like projection used for locomotion |
| Nucleolus | site of ribosome production. |
| Osmosis | diffusion of water molecules |
| Diffusion | molecules go from a high to a low concentration |
| Selectively Permeable | allows certain molecules to enter and keeps |
| Passive Transport | types are: osmosis, diffusion, vacillated diffusion |
| Active Transport | molecules go from a lower to a higher concentration |
Created by:
SagesSoccer11
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