Biology 1402 Test #1 Held Exam
Questions & Answers (Grade A+)
Evolution -
correct answer ✅Change in frequency of traits in a population
Natural Selection -
correct answer ✅Cause of change
(Species who adapt more successfully tend to survive and produce
more adapted offspring)
Adaptation -
correct answer ✅Increase in fitness of population to environment
(The process of a species changing due to the environment
changing around them)
Heritable Variations -
correct answer ✅Traits that can be selected
(genetic differences within a population due to phenotypes)
,Biology 1402 Test #1 Held Exam
Questions & Answers (Grade A+)
DNA -
correct answer ✅Carries Genetic information
Genetic Information -
correct answer ✅Details of one's genetics
Biome -
correct answer ✅distinct region housing distinct set of plants and
animals
community of species adapted to a region
Element -
correct answer ✅chemical substance
Compound -
correct answer ✅made up of atoms from different elements
Atom -
correct answer ✅smallest unit of matter
,Biology 1402 Test #1 Held Exam
Questions & Answers (Grade A+)
Molecule -
correct answer ✅A group of atoms bonded together
Proton -
correct answer ✅positive charge; in nucleus
Neutron -
correct answer ✅neutral charge; in nucleus
Electron -
correct answer ✅negative charge; outside of nucleus (orbitals)
Atomic Nucleus -
correct answer ✅contains protons and neutrons; center of atom
Isotope -
correct answer ✅atoms of the same element that have different #
neutrons
Isomer -
correct answer ✅same formula but different atom arrangement
, Biology 1402 Test #1 Held Exam
Questions & Answers (Grade A+)
Ion -
correct answer ✅atom w/ a net charge
Inert Element -
correct answer ✅doesn't react, happy, stable
Energy Level (Shell) -
correct answer ✅orbitals around nucleus where electrons orbit
said nucleus
Orbital -
correct answer ✅orbit or cloud occupied by an electron. Shaped
like a sphere
Ionic Bond -
correct answer ✅connections between oppositely charged ions
(cations, anions)
opposite charges attract
Covalent Bond -
correct answer ✅when atoms share electron pairs
Questions & Answers (Grade A+)
Evolution -
correct answer ✅Change in frequency of traits in a population
Natural Selection -
correct answer ✅Cause of change
(Species who adapt more successfully tend to survive and produce
more adapted offspring)
Adaptation -
correct answer ✅Increase in fitness of population to environment
(The process of a species changing due to the environment
changing around them)
Heritable Variations -
correct answer ✅Traits that can be selected
(genetic differences within a population due to phenotypes)
,Biology 1402 Test #1 Held Exam
Questions & Answers (Grade A+)
DNA -
correct answer ✅Carries Genetic information
Genetic Information -
correct answer ✅Details of one's genetics
Biome -
correct answer ✅distinct region housing distinct set of plants and
animals
community of species adapted to a region
Element -
correct answer ✅chemical substance
Compound -
correct answer ✅made up of atoms from different elements
Atom -
correct answer ✅smallest unit of matter
,Biology 1402 Test #1 Held Exam
Questions & Answers (Grade A+)
Molecule -
correct answer ✅A group of atoms bonded together
Proton -
correct answer ✅positive charge; in nucleus
Neutron -
correct answer ✅neutral charge; in nucleus
Electron -
correct answer ✅negative charge; outside of nucleus (orbitals)
Atomic Nucleus -
correct answer ✅contains protons and neutrons; center of atom
Isotope -
correct answer ✅atoms of the same element that have different #
neutrons
Isomer -
correct answer ✅same formula but different atom arrangement
, Biology 1402 Test #1 Held Exam
Questions & Answers (Grade A+)
Ion -
correct answer ✅atom w/ a net charge
Inert Element -
correct answer ✅doesn't react, happy, stable
Energy Level (Shell) -
correct answer ✅orbitals around nucleus where electrons orbit
said nucleus
Orbital -
correct answer ✅orbit or cloud occupied by an electron. Shaped
like a sphere
Ionic Bond -
correct answer ✅connections between oppositely charged ions
(cations, anions)
opposite charges attract
Covalent Bond -
correct answer ✅when atoms share electron pairs
