Biology Term Review Crossword Puzzle

QUESTIONS LIST:

• scientific method : process of developing an observation, hypothesis, and experiement
• theory : a well-tested hypothesis
• nucleus : holds the dna
• mitochondria : powerhouse of the cell
• cytoplasm : jellylike substance holding cell organelles
• control : group not exposed to the independent variable; unchanged
• eukaryotic : describes cells with a nucleus and organelles
• diffusion : movement from high to low concentration
• organelle : sub-unit in a cell with a specialized function
• multicellular : means made up of many cells
• independent : the variable the scientist manipulates
• microscope : optical instrument to view small objects
• biology : the study of life
• dna : molecule that contains the genetic code
• lipids : what cell membranes are made out of
• homeostasis : steady internal conditions; equilibrium
• energy : what active transport requires to move molecules
• vacuole : stores food and water in the cell
• cell : smallest unit of an organism
• hyper tonic : cell shrivels up; solute concentration greater outside