BIOL 1001 Latoya Paul Exam # 1 Ch. 1 5 exam
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with correct answers
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Define |biology |- |✔✔💯Study |of |life
What |are |the |basic |characteristics/properties |of |life? |- |✔✔💯Reproduces
Acquire |and |maintain |energy
Maintain |complexity
Responds |to |stimuli
Grows
Evolves
What |is |a |cell? |- |✔✔💯Basic |unit |of |life
What |does |a |cell |contain? |- |✔✔💯Cell |wall, |plasma |membrane, |nucleus, |organelles
Unicellular |vs. |Multicellular |- |✔✔💯Unicellular- |single |cell |organisms; |not |as |complex
Multicellular- |two |or |more |cell |organisms; |complex
How |do |organisms |acquire |and |utilize |energy? |- |✔✔💯Consuming |minerals, |water, |nutrients; |
decompose |matter
Describe |photosynthesis. |- |✔✔💯Trap |and |store |the |sun's |energy |for |their |own |use; |Flows |in |path |
from |sun |to |photosynthetic |organisms |to |all |other |forms |of |life
Define |homeostasis. |- |✔✔💯Balance, |maintenance |of |internal |conditions
Constantly |pumping |specific |substances |in |and |others |out
,Internal |and |external |stimuli |- |✔✔💯Internal: |pressure, |stretch, |temperature, |pain
External: |temperature, |light, |sound, |smell, |chemicals
How |do |organisms |reproduce? |- |✔✔💯Dividing |by |half |(asexual)
Producing |seeds |(sexual)
Bearing |live |birth
Laying |eggs
Sexual |reproduction |always |involves |____. |- |✔✔💯Sperm |and |egg
Offspring |of |asexual |reproduction |is |______ |to |parent, |whereas |sexual |reproduction |is |_____ |to |
parent. |- |✔✔💯identical; |not |identical
What |role |does |DNA |play |in |reproduction? |- |✔✔💯Basic |unit |of |heredity
Contains |gene |cells
How |does |DNA, |populations |and |evolution |relate |to |each |other? |- |✔✔💯Individuals |do |not |evolve, |
populations |do
Define |evolution. |- |✔✔💯Change |in |DNA |that |occurs |in |population |over |time
In |what |ways |are |humans |similar |to |chimpanzees? |- |✔✔💯Anatomy
Physiology
Sequence |of |DNA
Embryology
Behavior
What |natural |processes |cause |evolution? |- |✔✔💯Differences |among |members |of |a |population
Inheritance |of |these |differences |of |offspring
, Natural |selection
Define |and |describe |mutations. |- |✔✔💯Changes |in |genes
Can |be |beneficial |(rarely), |harmful |or |neutral
Due |to |mutations, |populations |begin |to |evolve
What |is |an |allele? |- |✔✔💯Mutation |that |occurs |within |a |gene
What |can |cause |mutations? |- |✔✔💯Can |be |inherited- |sperm |or |egg
Caused |by |ultraviolet |rays |from |sunlight
Caused |by |radiation |released |from |a |damaged |nuclear |power |plant
Caused |by |toxic |chemicals |from |cigarette |smoke
Define |natural |selection. |- |✔✔💯Process |by |which |individuals |that |inherit |certain |characteristics |tend
|to |survive |and |reproduce |better |than |other |individuals
Define |adaptations. |- |✔✔💯Structures, |physiological |processes, |or |behaviors |that |help |an |organism |
survive |and |reproduce |in |a |particular |environment
Reversible |adjustment |by |individual
Genetic |variation
Neutral |mutation
How |did |the |earth |become |diverse? |- |✔✔💯Diverse |habitats |(climate)
Difference |in |how |we |obtain |nutrient |sources
Relationships |formed |with |other |species
What |role |do |humans |play |on |the |environment? |- |✔✔💯Burning |fossil |fuels
Converting |tropical |forests |to |farmland
Climate |change |on |global |level
| | | | || | | | | | |
with correct answers
| |
Define |biology |- |✔✔💯Study |of |life
What |are |the |basic |characteristics/properties |of |life? |- |✔✔💯Reproduces
Acquire |and |maintain |energy
Maintain |complexity
Responds |to |stimuli
Grows
Evolves
What |is |a |cell? |- |✔✔💯Basic |unit |of |life
What |does |a |cell |contain? |- |✔✔💯Cell |wall, |plasma |membrane, |nucleus, |organelles
Unicellular |vs. |Multicellular |- |✔✔💯Unicellular- |single |cell |organisms; |not |as |complex
Multicellular- |two |or |more |cell |organisms; |complex
How |do |organisms |acquire |and |utilize |energy? |- |✔✔💯Consuming |minerals, |water, |nutrients; |
decompose |matter
Describe |photosynthesis. |- |✔✔💯Trap |and |store |the |sun's |energy |for |their |own |use; |Flows |in |path |
from |sun |to |photosynthetic |organisms |to |all |other |forms |of |life
Define |homeostasis. |- |✔✔💯Balance, |maintenance |of |internal |conditions
Constantly |pumping |specific |substances |in |and |others |out
,Internal |and |external |stimuli |- |✔✔💯Internal: |pressure, |stretch, |temperature, |pain
External: |temperature, |light, |sound, |smell, |chemicals
How |do |organisms |reproduce? |- |✔✔💯Dividing |by |half |(asexual)
Producing |seeds |(sexual)
Bearing |live |birth
Laying |eggs
Sexual |reproduction |always |involves |____. |- |✔✔💯Sperm |and |egg
Offspring |of |asexual |reproduction |is |______ |to |parent, |whereas |sexual |reproduction |is |_____ |to |
parent. |- |✔✔💯identical; |not |identical
What |role |does |DNA |play |in |reproduction? |- |✔✔💯Basic |unit |of |heredity
Contains |gene |cells
How |does |DNA, |populations |and |evolution |relate |to |each |other? |- |✔✔💯Individuals |do |not |evolve, |
populations |do
Define |evolution. |- |✔✔💯Change |in |DNA |that |occurs |in |population |over |time
In |what |ways |are |humans |similar |to |chimpanzees? |- |✔✔💯Anatomy
Physiology
Sequence |of |DNA
Embryology
Behavior
What |natural |processes |cause |evolution? |- |✔✔💯Differences |among |members |of |a |population
Inheritance |of |these |differences |of |offspring
, Natural |selection
Define |and |describe |mutations. |- |✔✔💯Changes |in |genes
Can |be |beneficial |(rarely), |harmful |or |neutral
Due |to |mutations, |populations |begin |to |evolve
What |is |an |allele? |- |✔✔💯Mutation |that |occurs |within |a |gene
What |can |cause |mutations? |- |✔✔💯Can |be |inherited- |sperm |or |egg
Caused |by |ultraviolet |rays |from |sunlight
Caused |by |radiation |released |from |a |damaged |nuclear |power |plant
Caused |by |toxic |chemicals |from |cigarette |smoke
Define |natural |selection. |- |✔✔💯Process |by |which |individuals |that |inherit |certain |characteristics |tend
|to |survive |and |reproduce |better |than |other |individuals
Define |adaptations. |- |✔✔💯Structures, |physiological |processes, |or |behaviors |that |help |an |organism |
survive |and |reproduce |in |a |particular |environment
Reversible |adjustment |by |individual
Genetic |variation
Neutral |mutation
How |did |the |earth |become |diverse? |- |✔✔💯Diverse |habitats |(climate)
Difference |in |how |we |obtain |nutrient |sources
Relationships |formed |with |other |species
What |role |do |humans |play |on |the |environment? |- |✔✔💯Burning |fossil |fuels
Converting |tropical |forests |to |farmland
Climate |change |on |global |level
