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Bio Midterm Vocab

All terms defined

TermDefinition
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.
Created by: jpica6464
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