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Grade 7 Spelling
List 7
April 7-8, 2011
Test on April 13-14, 2011
Science1. Photosynthesis- process by which plants and other autotrophs capture and use
light energy to make food from carbon dioxide and water
2. Autotroph- an organism that is able to capture energy from sunlight or chemicals
and use it to produce its own food
3. Heterotroph- organism that cannot make its own food and gets food by
consuming other living things
4. Chlorophyll- green photosynthetic pigment found in the chloroplasts of plants,
algae, and some bacteria
5. Cellular respiration- process that releases energy by breaking down glucose and
other food molecules in the presence of oxygen
6. Fermentation- process by which cells release energy by breaking down food
molecules without using oxygen
7. Interphase- first stage of the cell cycle that takes place before cell division
occurs, during which a cell grows and makes a copy of its DNA
8. Chromosome- threadlike structure within a cell’s nucleus that contains DNA that
is passes from one generation to the next
9. Mitosis- second stage of the cell cycle during which the cell’s nucleus divides into
two new nuclei and one set of DNA is distributed into each daughter cell
10. Cytokinesis- final stage of the cell cycle, where the cell’s cytoplasm divides,
distributing the organelles into each of the two new daughter cells