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24 Cards in this Set

  • Front
  • Back
cell
the smallest living part of an organism
cell membrane
a soft, flexible structure that surrounds a cell and controls the movement of substances into and out of the cell
cell respiration
the process of releasing energy from nutrients
cell wall
the rigid outer covering of a plant cell
chloroplast
a tiny green structure that contains chlorophyll; found in leaf cells
cytoplasm
the jelly-like substance in a cell
egg
the first stage in the life cycle of organisms
egg cell
a female cell that joins with a male cell to produce a new organism
fertilization
the joining of an egg cell and a sperm cell
glucose
a kind of sugar that is made by plants and broken down in cells to release energy
heredity
the passing of traits from parent to offspring
inherited trait
a characteristic that is passed from parent to offspring
microorganism
a living thing so tiny that it can only be seen with a microscope
mitochondria
the structures in a cell that release energy from the nutrients in food
offspring
new organisms that come from parent organisms
ovary
a plant or animal structure in which egg cells develop
protist
a small organism, usually made of one cell, that has some of the characteristics of a plant or animal
reproduction
the process of making more organisms of the same kind
respiration
the process of breathing in air to get oxygen and breathing out waste gases
sexual reproduction
the production of a new organism from the joining of a female sex cell and a male sex cell
sperm cell
a male sex cell
tissue
a group of cells that work together to perform a certain function in an organism
trait
a characteristic of an organism
vacuoles
spaces in a cell that store water and nutrients until the cell needs them; can also store waste until the cell can get rid of them