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Page 1: B2#Revision#Ques1ons# Part2## - WordPress.com...B2#Revision#cards# Answer7 • Warm#blood#in#one#blood#vessel#passes#the# cold#blood#in#another#and#transfers#heat,# reducing#heatloss#....of50#

B2  Revision  cards  

B2  Revision  Ques1ons  Part  2    

Page 2: B2#Revision#Ques1ons# Part2## - WordPress.com...B2#Revision#cards# Answer7 • Warm#blood#in#one#blood#vessel#passes#the# cold#blood#in#another#and#transfers#heat,# reducing#heatloss#....of50#

B2  Revision  cards  

Ques1on  1  

•  Name  2  adapta1ons  of  predators  

....  of  50  

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B2  Revision  cards  

Answer  1  

•  Hun1ng  skills,  eyes  in  front  of  head,  synchronous  breeding  

....  of  50  

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B2  Revision  cards  

Ques1on  2  

•  Name  2  adapta1ons  of  prey  

....  of  50  

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B2  Revision  cards  

Answer  2  

•  Eyes  on  either  side  of  their  head,  travel  in  herds/  groups,  can  move  fast  

....  of  50  

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B2  Revision  cards  

Ques1on  3  

•  What  is  adapta1on?  

....  of  50  

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B2  Revision  cards  

Answer  3  

•  Changes  in  the  body  to  fit  the  environment  of  the  organism  

....  of  50  

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B2  Revision  cards  

Ques1on  4  

•  What  does  ex1nct  mean?  

....  of  50  

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B2  Revision  cards  

Answer  4  

•  When  all  member  of  a  species  have  died  out  

....  of  50  

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B2  Revision  cards  

Ques1on  5  

•  What  is  hiberna1on?  Why  do  some  animals  do  this?  

....  of  50  

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B2  Revision  cards  

Answer  5  

•  Where  an  animals’  ac1vity  is  lowered  due  to  a  lack  of  food  and  change  in  weather  condi1ons  

....  of  50  

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B2  Revision  cards  

Ques1on  6  

•  What  is  migra1on?  Why  do  some  animals  do  this?  

....  of  50  

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B2  Revision  cards  

Answer  6  

•  Where  animals  travel  long  distances  due  to  a  change  in  environmental  condi1ons  (heat,  food,  water)  

....  of  50  

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B2  Revision  cards  

Ques1on  7  

•  What  is  meant  by  counter  current  heat  exchange  system?  

....  of  50  

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B2  Revision  cards  

Answer  7  

•  Warm  blood  in  one  blood  vessel  passes  the  cold  blood  in  another  and  transfers  heat,  reducing  heat  loss  

....  of  50  

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B2  Revision  cards  

Ques1on  8  

•  How  do  animals  adapt  by  hiberna1ng?  

....  of  50  

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B2  Revision  cards  

Answer  8  

•  Lowering  their  metabolic  rate  

....  of  50  

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B2  Revision  cards  

Ques1on  9  

•  What  is  an  extremophile?  

....  of  50  

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B2  Revision  cards  

Answer  9  

•  Organisms  that  can  live  in  extreme  condi1ons  (high  temperature/  pressure)  

....  of  50  

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B2  Revision  cards  

Ques1on  10  

•  What  is  a  specialist  organism?  

....  of  50  

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B2  Revision  cards  

Answer  10  

•  Suited  to  only  one  type  of  habitat  

....  of  50  

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B2  Revision  cards  

Ques1on  11  

•  What  is  a  generalist  organism?  

....  of  50  

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B2  Revision  cards  

Answer  11  

•  Can  survive  in  different  condi1ons  

....  of  50  

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B2  Revision  cards  

Ques1on  12  

•  Name  4  ways  that  camels  are  adapted  to  their  environment  

....  of  50  

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B2  Revision  cards  

Answer  12  

•  Hump  with  fat,  long  eye  lashes,  wide  feet,  thick  fur,  nose  that  can  close,  strong  legs,  tough  lips  

....  of  50  

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B2  Revision  cards  

Ques1on  13  

•  Do  you  want  a  high  or  low  surface  area:  volume  ra1o  if  you  want  to  lose  more  heat?  

....  of  50  

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B2  Revision  cards  

Answer  13  

•  High  

....  of  50  

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B2  Revision  cards  

Ques1on  14  

•  Name  3  ways  that  fish  are  adapted  

....  of  50  

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B2  Revision  cards  

Answer  14  

•  Steam-­‐lined,  travels  in  groups,  eyes  on  side  of  head  

....  of  50  

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B2  Revision  cards  

Ques1on  15  

•  What  is  evolu1on?  

....  of  50  

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B2  Revision  cards  

Answer  15  

•  The  gradual  change  in  organisms  over  millions  of  years  caused  by  muta1ons  and  natural  selec1on  

....  of  50  

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B2  Revision  cards  

Ques1on  16  

•  What  two  things  could  happen  to  organisms  if  an  environment  changes?  

....  of  50  

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B2  Revision  cards  

Answer  16  

•  Evolve  or  die  out  (become  ex1nct)  

....  of  50  

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B2  Revision  cards  

Ques1on  17  

•  Who’s  theory  of  evolu1on  is  more  widely  accepted?  

....  of  50  

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B2  Revision  cards  

Answer  17  

•  Darwin’s  

....  of  50  

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B2  Revision  cards  

Ques1on  18  

•  What  is  natural  selec1on?  

....  of  50  

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B2  Revision  cards  

Answer  18  

•  Process  where  ‘good’  characteris1cs  are  passed  on  in  genes  to  become  more  common  

....  of  50  

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B2  Revision  cards  

Ques1on  19  

•  What  are  adapta1ons  controlled  by?  

....  of  50  

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B2  Revision  cards  

Answer  19  

•  Genes  

....  of  50  

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B2  Revision  cards  

Ques1on  20  

•  Give  2  reasons  why  the  theory  of  natural  selec1on  is  now  widely  selected  

....  of  50  

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B2  Revision  cards  

Answer  20  

•  We  know  more  about  inheritance  and  DNA  

....  of  50  

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B2  Revision  cards  

Ques1on  21  

•  What  is  meant  by  the  survival  of  the  fi`est?  

....  of  50  

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B2  Revision  cards  

Answer  21  

•  Organisms  with  the  right  characteris1cs  will  survive.  If  they  don’t  have  them  they  will  

become  ex1nct  

....  of  50  

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B2  Revision  cards  

Ques1on  22  

•  Why  do  animals  produce  more  young  than  necessary  

....  of  50  

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B2  Revision  cards  

Answer  22  

•  More  chance  of  survival  and  passing  on  their  genes  

....  of  50  

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B2  Revision  cards  

Ques1on  23  

•  Why  did  people  disagree  with  Darwin’s  theory  of  evolu1on  to  begin  with?  

....  of  50  

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B2  Revision  cards  

Answer  23  

•  Contradicted  God,  not  enough  evidence,  people  didn’t  believe  we  evolved  from  apes  

....  of  50  

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B2  Revision  cards  

Ques1on  24  

•  What  is  Darwin’s  theory  of  evolu1on?  

....  of  50  

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B2  Revision  cards  

Answer  24  

•  Organisms  evolve  by  natural  selec1on  

....  of  50  

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B2  Revision  cards  

Ques1on  25  

•  What  are  the  4  factors  in  Darwin’s  theory  natural  selec1on?  

....  of  50  

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B2  Revision  cards  

Answer  25  

•  There  is  compe11on  in  limited  resources,  organisms  produce  more  young  than  will  survive,  within  a  species  there  is  natural  varia1on,  those  that  survive  pass  on  their  successful  adapta1ons  

....  of  50  

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B2  Revision  cards  

Ques1on  26  

•  Give  5  reasons  why  organisms  may  be  come  ex1nct  or  endangered  

....  of  50  

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B2  Revision  cards  

Answer  26  

•  Climate  change,  habitat  destruc1on,  hun1ng,  pollu1on,  compe11on  

....  of  50  

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B2  Revision  cards  

Ques1on  27  

•  State  6  ways  for  how  endangered  species  can  be  conserved  

....  of  50  

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B2  Revision  cards  

Answer  27  

•  Protec1ng  habitats,  legal  protec1on,  educa1on  and  cap1ve  breeding  programmes,  seed  banks,  crea1ng  ar1ficial  ecosystems  

....  of  50  

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B2  Revision  cards  

Ques1on  28  

•  What  resources  can  be  maintained?  

....  of  50  

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B2  Revision  cards  

Answer  28  

•  Fish  stocks  and  woodland  

....  of  50  

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B2  Revision  cards  

Ques1on  29  

•  What  is  specia1on?  

....  of  50  

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Answer  29  

•  Where  a  new  species  is  made  due  to  natural  selec1on  in  geographic  or  reproduc1ve  

isola1on  

....  of  50  

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Ques1on  30  

•  What  are  the  2  factors  required  for  specia1on?  

....  of  50  

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Answer  30  

•  Geographic  and  reproduc1ve  isola1on  (without  breeding  within  popula1ons)  

....  of  50  

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Ques1on  31  

•  Give  4  reasons  why  we  have  conserva1on  programmes  

....  of  50  

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Answer  31  

•  Protect  human  food  supply,  ensuring  minimal  damage  to  food  chains,  cultural  aspects,  future  iden1fica1on  of  plants  for  medicine  

....  of  50  

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Ques1on  32  

•  What  is  Lamarck’s  theory  of  acquired  characteris1cs?  

....  of  50  

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Answer  32  

•  That  animals  acquired  characteris1cs  they  needed  

....  of  50  

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Ques1on  33  

•  Why  was  Lamarck’s  theory  discredited?  

....  of  50  

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Answer  33  

•  As  we  found  genes  pass  on  characteris1cs  

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Ques1on  34  

•  What  has  the  theory  of  natural  selec1on  become  more  developed  over  the  years?  

....  of  50  

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Answer  34  

•  Understanding  of  genes  and  DNA  

....  of  50  

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Ques1on  35  

•  Why  did  the  pepper  moth  evolve?  

....  of  50  

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Answer  35  

•  Pollu1on  changed  the  colour  of  tree  bark-­‐  moths  with  light  colour  were  more  easily  

spo`ed  and  eaten  

....  of  50  

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Ques1on  36  

•  What  is  happening  to  the  size  of  the  human  popula1on?  

....  of  50  

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Answer  36  

•  It  is  increasing  exponen1ally    

....  of  50  

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Ques1on  37  

•  What  does  finite  mean?  Which  2  resources  are  finite?  

....  of  50  

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Answer  37  

•  It  is  running  out.  Minerals  and  fossil  fuels  

....  of  50  

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Ques1on  38  

•  What  happens  to  the    amount  of  pollu1on  as  the  popula1on  increases?    

....  of  50  

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Answer  38  

•  It  increases  

....  of  50  

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Ques1on  39  

•  What  are  4  ways  that  humans  make  pollu1on?    

....  of  50  

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Answer  39  

•  Household  waste,  sewage,  sulphur  dioxide  and  carbon  dioxide  in  burning  fossil  fuels  

....  of  50  

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Ques1on  40  

•  Why  is  the  popula1on  growing?  

....  of  50  

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Answer  40  

•  Birth  ra1ng  is  greater  than  death  rate  

....  of  50  

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Ques1on  41  

•  What  is  acid  rain?  

....  of  50  

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Answer  41  

•  Rain  water,  which  is  made  more  acidic  by  pollutant  gases  

....  of  50  

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Ques1on  42  

•  What  is  ozone  deple1on?  

....  of  50  

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Answer  42  

•  Where  the  ozone  layer  is  depleted  due  to  gases  (CFC’s)  

....  of  50  

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Ques1on  43  

•  What  species  can  indicate  water  pollu1on  if  they  are  present?  

....  of  50  

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Answer  43  

•  Waterlouse,  sludgeworm,  rat-­‐tailed  maggot,  mayfly  larvae  

....  of  50  

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Ques1on  44  

•  What  species  can  indicate  air  pollu1on  if  they  are  present?  

....  of  50  

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Answer  44  

•  Lichen  

....  of  50  

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Ques1on  45  

•  Describe  2  ways  that  pollu1on  can  be  measured  

....  of  50  

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Answer  45  

•  Direct  measurement  of  pollutant  levels  and  measuring  the  occurrence  of  indicator  species  

....  of  50  

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Ques1on  46  

•  Which  countries  have  a  greater  impact  on  the  use  of  resources  and  crea1on  of  pollu1on?  

....  of  50  

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Answer  46  

•  More  developed  countries  

....  of  50  

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Ques1on  47  

•  What  is  meant  by  a  carbon  footprint?  

....  of  50  

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Answer  47  

•  The  total  amount  of  greenhouse  gases  given  off  by  a  person  in  a  given  1me  

....  of  50  

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Ques1on  48  

•  What  are  the  possible  consequences  of  exponen1al  growth?  

....  of  50  

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Answer  48  

•  More  gases  released,  more  waste,  more  food  and  fuel  needed,  more  sewage  

....  of  50  

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B2  Revision  cards  

Ques1on  49  

•  What  is  an  advantage  of  using  a  living  method  to  measure  pollu1on?  

....  of  50  

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Answer  49  

•  Cheap  and  easy-­‐  no  high  tech  equipment  needed  

....  of  50  

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Ques1on  50  

•  What  is  an  disadvantage  of  using  a  living  method  to  measure  pollu1on?  

....  of  50  

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Answer  50  

•  Can  affect  wildlife/  damage  environment  

....  of  50