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Bio Midterm Vocab
All terms defined
Term | Definition |
---|---|
System | A set of interacting components considered to be a distinct entity for the purpose of study or understanding. |
Boundaries | The space of the system to separate that system from the rest of the universe . |
Open System | The inputs and outputs flow into and out of the system. |
Closed System | The flow of one or more inputs and outputs is limited in some way. |
Isolated System | A system in which all of the inputs and outputs are contained within the system. |
Feedback | Information from one step of a cycle that acts to change the behavior of a previous step of a cycle. |
Model | A pattern, plan, representation, or description designed to show the structure or workings of an object, system, or concept. |
Emergent Property | A property that a system has but that can function independently. |
Ecosystem | The living and nonliving components in an area. |
Organisms | All living things. |
Biotic Factor | Living components of an ecosystem. |
Abiotic Factor | Non-living components of an ecosystem. |
Organ System | Two or more organs that work together to perform body functions |
Organ | A group of tissues that work together to carry out a specialized function. |
Tissue | A group of similar cells that work together to perform a specialized function of the body. |
Cell | The most basic unit of life |
Cell Differentiation | The process by which cells become specialized in structure and or function. |
Cell Membrane | The semipermeable membrane that encase cells. |
Nucleus | The storehouse for most of the genetic information (DNA) in your cell. |
Mitochondria | Supplies energy to the cell. |
Chloroplasts | Organelle that helps carry out photosynthesis |
Prokaryotic Cells | Do not have a nucleus or other membrane-bound organelles. |
Eukaryotic Cells | Have a nucleus and other membrane-bound organelles. |
Lysosome | Membrane-bound organelles that contain enzymes. |
Golgi Apparatus | Sorts, packages, and delivers protein. |
Endoplasmic Reticulum (ER) | An interconnected network of folded and thin membrane. |
Rough ER | Covered in ribosomes and appears bumpy. |
Ribosomes | Tiny organelle that help make protein |
Vacuole | A fluid filled sac used for storage and material cells need. |
Homeostasis | The regulation and maintenance of the internal or external environment within the narrow ranges that are necessary. |
Stimulus | Anything from the internal or external environment that causes an imbalance in the internal conditions of a cell, organ, organ system, or organism. |
Hormones | Chemicals secreted into the bloodstream by ductless endocrine. |
Feedback Loop | The interaction between the receptor, and the control center. |
Positive Feedback Loop | Makes adjustments in the same direction as the stimulus. |
Negative Feedback Loop | Works in the opposite direction as the stimulus. |