Biology 105 exam #1 Ch. 1-5 with
100% correct answers (graded
A+)
Name the levels of biological organization - answer atom - molecule - cell -
tissues - organs - organ systems - persons - population - community -
ecosystem - biosphere
Cell - answer the smallest structural and functional unit of an organism
Tissue - answer a group of similar cells that perform a particular function.
Organ - answer several tissues in one group
Organ system - answer a system in which the organs work together to
accomplish a common purpose
Ogranisms - answer a collection of organ systems
Population - answer a group of interbreeding organisms (a species)
Community - answer a group of multiple populations (ex -zebras, acacia
trees, humans)
Ecosystem - answer made up of living & non-living things
Biosphere - answer the earth's ecosystem
, What is photosynthesis? - answer Conversion of light energy into stored
chemical energy
What is science? - answer a way of knowing about the natural world which is
also objective
What are the five scientific theories in biology? - answer Cells, Homeostasis,
Genes, Ecosystems, Evolution
What is homeostasis? (THEORY) - answer the internal environment of a
organism stays constant
What are genes? (THEORY) - answer coded information that dictates form,
function, & behavior
What is evolution? (THEORY) - answer process by which a population changes
over time
What is an ecosystem? (THEORY) - answer populations of organisms interact
with each other and the physical environment
What is a cell? (THEORY) - answer all organisms are composed of cells and
new cell only come from pre-existing cells
What are the Scientific Method steps? - answer observe, hypothesis,
experiment, conclusion
Experimental Varibale - answer the variable that is PURPOSELY CHANGED or
MANIPULATED
Control Group - answer used for comparison and is NOT EXPOSED
100% correct answers (graded
A+)
Name the levels of biological organization - answer atom - molecule - cell -
tissues - organs - organ systems - persons - population - community -
ecosystem - biosphere
Cell - answer the smallest structural and functional unit of an organism
Tissue - answer a group of similar cells that perform a particular function.
Organ - answer several tissues in one group
Organ system - answer a system in which the organs work together to
accomplish a common purpose
Ogranisms - answer a collection of organ systems
Population - answer a group of interbreeding organisms (a species)
Community - answer a group of multiple populations (ex -zebras, acacia
trees, humans)
Ecosystem - answer made up of living & non-living things
Biosphere - answer the earth's ecosystem
, What is photosynthesis? - answer Conversion of light energy into stored
chemical energy
What is science? - answer a way of knowing about the natural world which is
also objective
What are the five scientific theories in biology? - answer Cells, Homeostasis,
Genes, Ecosystems, Evolution
What is homeostasis? (THEORY) - answer the internal environment of a
organism stays constant
What are genes? (THEORY) - answer coded information that dictates form,
function, & behavior
What is evolution? (THEORY) - answer process by which a population changes
over time
What is an ecosystem? (THEORY) - answer populations of organisms interact
with each other and the physical environment
What is a cell? (THEORY) - answer all organisms are composed of cells and
new cell only come from pre-existing cells
What are the Scientific Method steps? - answer observe, hypothesis,
experiment, conclusion
Experimental Varibale - answer the variable that is PURPOSELY CHANGED or
MANIPULATED
Control Group - answer used for comparison and is NOT EXPOSED
