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7th science vocab

PCCA 7th grade vocab for science midterm

smallest unit of a living thing that can preform the functions of life cell
any living thing organism
regulation of an organism's internal life-maintaining conditions despite changes in its environment homeostasis
theory that living things can come from nonliving things spontaneous generation
two-word naming system binomial nomenclature
a group of similar species genus
a group of similar organisms that share similar characteristics and can reproduce among themselves species
ridged structure that encloses, supports, and protects the cells of plants, algae, fungi, and most bacteria cell wall
protective outer covering of all cells that is made up of a double layer of fat-like molecules and regulates the interaction between the cell and the environment cell membrane
cell organelle that breaks down lipids and carbs and also releases energy mitochondria
small structures on which cells make their own proteins ribosomes
cytoplasmic organelle that moves materials around in a cell and is made up of a complex series of folded membranes endoplasmic reticulum (ER)
organelles that package cellular materials and transport them with in or out of the cell Golgi Bodies
break down food molecules, wastes, and worn out cell parts lysosomes
green, chlorophyll-containing plant-cell organelle that converts sunlight, carbon dioxide, and water into sugar chloroplast
organelle that contains all the activities of a cell and contains hereditary material made of proteins and DNA nucleus
extremely tiny piece of genetic material that infects and multiplies in host cells virus
energy-requiring process in which transport proteins bind with particles and move them through a cell membrane active transport
movement of substances through a cell membrane without the use of cellular energy passive transport
a type of passive transport in cells in which molecules move from areas where there are many of them to areas where there are fewer of them diffusion
a type of passive transport; diffusion of water osmosis
process by which a cell takes in a substance by surrounding it with a cell membrane endocytosis
food-making process by which plants and many other producers use light energy to produce glucose and oxygen from carbon dioxide and water photosynthesis
series of chemical reactions used to release energy stored in food molecules respiration
states that everything goes from order to chaos 2nd Law of Thermodynamics
change in inherited characteristics over time evolution
belief that God created man and this earth creation
long, thin, whip-like structures of some protists that help them move through moist or wet surroundings flagella
simplest for of asexual reproduction in which two new cells are produced that are identical to each other and the parent fission
process in which a liquid is heated to a certain temperature to kill most bacteria pasteurization
chlorophyll-containing, plant-like protists that produces oxygen as a result of photosynthesis algae
short,thread-like structures that help Cilitate move and feed on bacteria cilia
a temporary way of feeding using extensions of their cytoplasm called "false feet" pseudopod
a many-celled organism; many are saprophytes and some are parasites fungi
any organism that is made up of a fungus and either a green algae or a cyanobacterium and both organisms benifit lichen
Created by: socksrocks