TCTC BIO 101 Exam 1 Questions With All
Correct Answers
null hypothisis Correct answer-Will not happen
Biology Correct answer-study of life
3 domains Correct answer-Bacteria, Archaea, Eukarya
Levels of hierarchy Correct answer-the biosphere, ecosystems, communities populations,
organisms, organs and organ systems, tissues, cells, organelles and molecules.
Scientific Method Correct answer-Observation, Hypothesis, Experiment, Data Collection,
Conclusion, and Retest (if needed)
biotic factors Correct answer-living
abiotic Correct answer-Non-living
Density Correct answer-Number of individuals per unit area
Population Correct answer-A group of individuals that belong to the same species and live in the
same area
carrying capacity Correct answer-Largest number of individuals of a population that a environment
can support/ ( on graph) highest level before leveling off.
exponential growth Correct answer-J-shaped curve; unlimited growth
Loistic growth Correct answer-The idea of limiting factors; s- shaped curved
Element Correct answer-A substance that cannot be broken down into simpler substances
Compound Correct answer-a thing that is composed of two or more separate elements; a mixture.
four elements Correct answer-oxygen, carbon, hydrogen, nitrogen
Atoms Correct answer-smallest unit of matter
Atoms consist of Correct answer-protons, neutrons, electrons
atomic number Correct answer-protons
mass number Correct answer-the sum of the number of neutrons and protons in an atomic
nucleus
atomic mass Correct answer-equal to its mass number
isotopes Correct answer-Atoms with the same number of protons but different numbers of
neutrons
Correct Answers
null hypothisis Correct answer-Will not happen
Biology Correct answer-study of life
3 domains Correct answer-Bacteria, Archaea, Eukarya
Levels of hierarchy Correct answer-the biosphere, ecosystems, communities populations,
organisms, organs and organ systems, tissues, cells, organelles and molecules.
Scientific Method Correct answer-Observation, Hypothesis, Experiment, Data Collection,
Conclusion, and Retest (if needed)
biotic factors Correct answer-living
abiotic Correct answer-Non-living
Density Correct answer-Number of individuals per unit area
Population Correct answer-A group of individuals that belong to the same species and live in the
same area
carrying capacity Correct answer-Largest number of individuals of a population that a environment
can support/ ( on graph) highest level before leveling off.
exponential growth Correct answer-J-shaped curve; unlimited growth
Loistic growth Correct answer-The idea of limiting factors; s- shaped curved
Element Correct answer-A substance that cannot be broken down into simpler substances
Compound Correct answer-a thing that is composed of two or more separate elements; a mixture.
four elements Correct answer-oxygen, carbon, hydrogen, nitrogen
Atoms Correct answer-smallest unit of matter
Atoms consist of Correct answer-protons, neutrons, electrons
atomic number Correct answer-protons
mass number Correct answer-the sum of the number of neutrons and protons in an atomic
nucleus
atomic mass Correct answer-equal to its mass number
isotopes Correct answer-Atoms with the same number of protons but different numbers of
neutrons
