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Life & Cell Vocab

chapter 2-3 vocab

QuestionAnswer
Cell The basic unit that can perform all life processes; are covered by a cell membrane and have DNA.
Homeostatis The maintenance of a constant internal state in a changing environment.
Sexual Reproduction Reproduction in which the sex cells from 2 parents unite, producing offspring that share traits from both parents.
Asexual Reproduction Reproduction in which one parent produces offspring identical to itself.
Heredity The passing of genetic traits from parent to offspring.
Metabolism The sum of all chemical processes that occur in an organism.
Producer An organism that can make its own food.
Consumer An organism that eats other organisms.
Decomposer An organism that gets energy by breaking down the remians of dead organisms and consuming the nutrients.
Cell Membrane Surrounds all cells and controls movement of material in & out of cells.
Nucleus Control center of a cell; regulates all cell activities & contains chromosomes.
Prokaryote An organism that consists of a single cell that does not have a nucleus.
Eukaryote An organism that has a nucleus enclosed by a membrane
Tissue A group of cells that perform a similar function.
Organ A collection of tissues that carry out a specialized function of the body.
Organ System A group of organs that work together to perform body functions.
Cell Wall A rigid structure that surrounds the cell membrane and provides support to the cell.
Ribosome a small, grain-like organelle that makes protein.
Endoplasmic reticulum A system of tubular passageways that transport materials through the cell
Mitochondria “Powerhouse” of the cell; converts food into energy as ATP.
Created by: lsvocab
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